diff --git a/src/core/json/json_value.cc b/src/core/json/json_value.cc
index 0feab582a..916884a29 100644
--- a/src/core/json/json_value.cc
+++ b/src/core/json/json_value.cc
@@ -543,8 +543,13 @@ auto JSON::operator-=(const JSON &substractive) -> JSON & {
 
     const auto division{dividend_value / divisor_value};
     Real integral = 0;
-    return !std::isinf(division) && !std::isnan(division) &&
-           std::modf(division, &integral) == 0.0;
+    if (!std::isinf(division) && !std::isnan(division) &&
+        std::modf(division, &integral) == 0.0) {
+      return true;
+    }
+
+    return Decimal::strict_from(dividend_value)
+        .divisible_by(Decimal::strict_from(divisor_value));
   }
 
   if (this->is_decimal() && divisor.is_decimal()) {
@@ -557,8 +562,8 @@ auto JSON::operator-=(const JSON &substractive) -> JSON & {
       return this->to_decimal().divisible_by(divisor_decimal);
     }
 
-    const Decimal divisor_decimal{divisor.to_real()};
-    return this->to_decimal().divisible_by(divisor_decimal);
+    return this->to_decimal().divisible_by(
+        Decimal::strict_from(divisor.to_real()));
   }
 
   if (this->is_integer()) {
@@ -566,8 +571,8 @@ auto JSON::operator-=(const JSON &substractive) -> JSON & {
     return dividend_decimal.divisible_by(divisor.to_decimal());
   }
 
-  const Decimal dividend_decimal{this->to_real()};
-  return dividend_decimal.divisible_by(divisor.to_decimal());
+  return Decimal::strict_from(this->to_real())
+      .divisible_by(divisor.to_decimal());
 }
 
 [[nodiscard]] auto
diff --git a/src/lang/numeric/decimal.cc b/src/lang/numeric/decimal.cc
index 2eeb8cf20..6db7c0a20 100644
--- a/src/lang/numeric/decimal.cc
+++ b/src/lang/numeric/decimal.cc
@@ -5,7 +5,9 @@
 
 #include <array>     // std::array
 #include <cassert>   // assert
+#include <charconv>  // std::to_chars
 #include <cmath>     // std::isfinite
+#include <cstddef>   // std::size_t
 #include <cstring>   // std::strlen
 #include <iomanip>   // std::setprecision
 #include <limits>    // std::numeric_limits
@@ -506,6 +508,15 @@ auto Decimal::negative_infinity() -> Decimal {
   return result;
 }
 
+auto Decimal::strict_from(const double value) -> Decimal {
+  std::array<char, 64> buffer{};
+  const auto result{
+      std::to_chars(buffer.data(), buffer.data() + buffer.size(), value)};
+  assert(result.ec == std::errc{});
+  return Decimal{std::string_view{
+      buffer.data(), static_cast<std::size_t>(result.ptr - buffer.data())}};
+}
+
 auto Decimal::to_scientific_string() const -> std::string {
   std::string result;
 
diff --git a/src/lang/numeric/include/sourcemeta/core/numeric_decimal.h b/src/lang/numeric/include/sourcemeta/core/numeric_decimal.h
index b07f83ccb..aefc78d73 100644
--- a/src/lang/numeric/include/sourcemeta/core/numeric_decimal.h
+++ b/src/lang/numeric/include/sourcemeta/core/numeric_decimal.h
@@ -77,6 +77,10 @@ class SOURCEMETA_CORE_NUMERIC_EXPORT Decimal {
   /// Create a signaling NaN value with an optional payload
   [[nodiscard]] static auto snan(std::uint64_t payload = 0) -> Decimal;
 
+  /// Create a decimal from a double by converting through its shortest
+  /// round-trip string representation, avoiding IEEE 754 precision artifacts
+  [[nodiscard]] static auto strict_from(double value) -> Decimal;
+
   /// Create a positive infinity value
   [[nodiscard]] static auto infinity() -> Decimal;
 
diff --git a/test/json/json_decimal_test.cc b/test/json/json_decimal_test.cc
index 0559fb201..8c7448d65 100644
--- a/test/json/json_decimal_test.cc
+++ b/test/json/json_decimal_test.cc
@@ -878,6 +878,240 @@ TEST(JSON_decimal, divisible_by_mixed_scale_decimal_real_divisible_true) {
   EXPECT_TRUE(dividend.divisible_by(divisor));
 }
 
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"1280.32"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_01_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"1280.325"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_1_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"100.3"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.1"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_1_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"100.35"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.1"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_001_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"25.123"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_001_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"25.1235"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.001"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_0001_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"99.9999"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.0001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_0001_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"99.99995"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.0001"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"1280.32"}};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_01_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"1280.325"}};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_1_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"100.3"}};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_1_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"100.35"}};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_001_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"25.123"}};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_001_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"25.1235"}};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_0001_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"99.9999"}};
+  const sourcemeta::core::JSON divisor{0.0001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_real_0_0001_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"99.99995"}};
+  const sourcemeta::core::JSON divisor{0.0001};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{1280.32};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_01_false) {
+  const sourcemeta::core::JSON dividend{1280.325};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_1_true) {
+  const sourcemeta::core::JSON dividend{100.3};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.1"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_1_false) {
+  const sourcemeta::core::JSON dividend{100.35};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.1"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_001_true) {
+  const sourcemeta::core::JSON dividend{25.123};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_001_false) {
+  const sourcemeta::core::JSON dividend{25.1235};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.001"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_0001_true) {
+  const sourcemeta::core::JSON dividend{99.9999};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.0001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_real_decimal_0_0001_false) {
+  const sourcemeta::core::JSON dividend{99.99995};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.0001"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_integer_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{100};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_integer_decimal_0_1_true) {
+  const sourcemeta::core::JSON dividend{10};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.1"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_integer_decimal_0_001_true) {
+  const sourcemeta::core::JSON dividend{1};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_integer_decimal_0_0001_true) {
+  const sourcemeta::core::JSON dividend{1};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.0001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_negative_decimal_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"-1280.32"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_negative_decimal_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"-1280.32"}};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_negative_real_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{-1280.32};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_negative_integer_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{-100};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_3_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"0.9"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.3"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_3_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"1.0"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.3"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_7_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"2.1"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.7"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_decimal_decimal_0_7_false) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"2.0"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.7"}};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_large_decimal_decimal_0_01_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"999999.99"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.01"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_large_decimal_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"999999.99"}};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_decimal, divisible_by_large_decimal_decimal_0_001_true) {
+  const sourcemeta::core::JSON dividend{sourcemeta::core::Decimal{"12345.678"}};
+  const sourcemeta::core::JSON divisor{sourcemeta::core::Decimal{"0.001"}};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
 TEST(JSON_decimal, fast_hash_positive) {
   const sourcemeta::core::JSON document{sourcemeta::core::Decimal{"3.14"}};
   EXPECT_EQ(document.fast_hash(), 8);
diff --git a/test/json/json_number_test.cc b/test/json/json_number_test.cc
index ed13169d8..acb23c037 100644
--- a/test/json/json_number_test.cc
+++ b/test/json/json_number_test.cc
@@ -354,6 +354,228 @@ TEST(JSON_number, divisible_by_float_overflow_integer_1_0) {
   EXPECT_TRUE(document.divisible_by(divisor));
 }
 
+TEST(JSON_number, divisible_by_real_0_1_true_1) {
+  const sourcemeta::core::JSON dividend{3.5};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_1_true_2) {
+  const sourcemeta::core::JSON dividend{10.0};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_1_true_3) {
+  const sourcemeta::core::JSON dividend{100.3};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_1_true_4) {
+  const sourcemeta::core::JSON dividend{0.5};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_1_false) {
+  const sourcemeta::core::JSON dividend{3.55};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_01_true_1) {
+  const sourcemeta::core::JSON dividend{1280.32};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_01_true_2) {
+  const sourcemeta::core::JSON dividend{99.99};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_01_true_3) {
+  const sourcemeta::core::JSON dividend{0.01};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_01_true_4) {
+  const sourcemeta::core::JSON dividend{0.5};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_01_true_5) {
+  const sourcemeta::core::JSON dividend{1.0};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_01_false) {
+  const sourcemeta::core::JSON dividend{1.005};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_001_true_1) {
+  const sourcemeta::core::JSON dividend{1.001};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_001_true_2) {
+  const sourcemeta::core::JSON dividend{0.5};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_001_true_3) {
+  const sourcemeta::core::JSON dividend{25.123};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_001_false) {
+  const sourcemeta::core::JSON dividend{1.0005};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_0001_true_1) {
+  const sourcemeta::core::JSON dividend{1.0001};
+  const sourcemeta::core::JSON divisor{0.0001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_0001_true_2) {
+  const sourcemeta::core::JSON dividend{99.9999};
+  const sourcemeta::core::JSON divisor{0.0001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_0001_false) {
+  const sourcemeta::core::JSON dividend{1.00005};
+  const sourcemeta::core::JSON divisor{0.0001};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_integer_real_0_1_true) {
+  const sourcemeta::core::JSON dividend{10};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_integer_real_0_1_true_2) {
+  const sourcemeta::core::JSON dividend{1};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_integer_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{1};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_integer_real_0_01_true_2) {
+  const sourcemeta::core::JSON dividend{100};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_integer_real_0_001_true) {
+  const sourcemeta::core::JSON dividend{1};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_integer_real_0_0001_true) {
+  const sourcemeta::core::JSON dividend{1};
+  const sourcemeta::core::JSON divisor{0.0001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_3_true) {
+  const sourcemeta::core::JSON dividend{0.9};
+  const sourcemeta::core::JSON divisor{0.3};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_3_false) {
+  const sourcemeta::core::JSON dividend{1.0};
+  const sourcemeta::core::JSON divisor{0.3};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_7_true) {
+  const sourcemeta::core::JSON dividend{2.1};
+  const sourcemeta::core::JSON divisor{0.7};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_real_0_7_false) {
+  const sourcemeta::core::JSON dividend{2.0};
+  const sourcemeta::core::JSON divisor{0.7};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_negative_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{-1280.32};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_negative_real_0_1_true) {
+  const sourcemeta::core::JSON dividend{-5.5};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_negative_real_0_001_true) {
+  const sourcemeta::core::JSON dividend{-3.141};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_negative_real_0_01_false) {
+  const sourcemeta::core::JSON dividend{-1.005};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_FALSE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_large_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{999999.99};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_large_real_0_001_true) {
+  const sourcemeta::core::JSON dividend{12345.678};
+  const sourcemeta::core::JSON divisor{0.001};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_large_real_0_1_true) {
+  const sourcemeta::core::JSON dividend{99999.9};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_negative_integer_real_0_1_true) {
+  const sourcemeta::core::JSON dividend{-10};
+  const sourcemeta::core::JSON divisor{0.1};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
+TEST(JSON_number, divisible_by_negative_integer_real_0_01_true) {
+  const sourcemeta::core::JSON dividend{-5};
+  const sourcemeta::core::JSON divisor{0.01};
+  EXPECT_TRUE(dividend.divisible_by(divisor));
+}
+
 TEST(JSON_number, as_real_real) {
   const sourcemeta::core::JSON document{4.7};
   EXPECT_DOUBLE_EQ(document.as_real(), 4.7);
diff --git a/test/numeric/numeric_decimal_test.cc b/test/numeric/numeric_decimal_test.cc
index 1342b0481..3d927ff26 100644
--- a/test/numeric/numeric_decimal_test.cc
+++ b/test/numeric/numeric_decimal_test.cc
@@ -3503,3 +3503,68 @@ TEST(Numeric_decimal, divide_integer_with_decimals) {
   const sourcemeta::core::Decimal right{"3.1"};
   EXPECT_EQ(left.divide_integer(right), sourcemeta::core::Decimal{3});
 }
+
+TEST(Numeric_decimal, strict_from_positive_integer) {
+  const auto result{sourcemeta::core::Decimal::strict_from(5.0)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{5});
+}
+
+TEST(Numeric_decimal, strict_from_negative_integer) {
+  const auto result{sourcemeta::core::Decimal::strict_from(-3.0)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{-3});
+}
+
+TEST(Numeric_decimal, strict_from_zero) {
+  const auto result{sourcemeta::core::Decimal::strict_from(0.0)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{0});
+}
+
+TEST(Numeric_decimal, strict_from_positive_fractional) {
+  const auto result{sourcemeta::core::Decimal::strict_from(1.5)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"1.5"});
+}
+
+TEST(Numeric_decimal, strict_from_negative_fractional) {
+  const auto result{sourcemeta::core::Decimal::strict_from(-2.75)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"-2.75"});
+}
+
+TEST(Numeric_decimal, strict_from_0_1) {
+  const auto result{sourcemeta::core::Decimal::strict_from(0.1)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"0.1"});
+}
+
+TEST(Numeric_decimal, strict_from_0_01) {
+  const auto result{sourcemeta::core::Decimal::strict_from(0.01)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"0.01"});
+}
+
+TEST(Numeric_decimal, strict_from_0_001) {
+  const auto result{sourcemeta::core::Decimal::strict_from(0.001)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"0.001"});
+}
+
+TEST(Numeric_decimal, strict_from_0_0001) {
+  const auto result{sourcemeta::core::Decimal::strict_from(0.0001)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"0.0001"});
+}
+
+TEST(Numeric_decimal, strict_from_1280_32) {
+  const auto result{sourcemeta::core::Decimal::strict_from(1280.32)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"1280.32"});
+}
+
+TEST(Numeric_decimal, strict_from_99_99) {
+  const auto result{sourcemeta::core::Decimal::strict_from(99.99)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"99.99"});
+}
+
+TEST(Numeric_decimal, strict_from_large_value) {
+  const auto result{sourcemeta::core::Decimal::strict_from(999999.99)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"999999.99"});
+}
+
+TEST(Numeric_decimal, strict_from_negative_1280_32) {
+  const auto result{sourcemeta::core::Decimal::strict_from(-1280.32)};
+  EXPECT_EQ(result, sourcemeta::core::Decimal{"-1280.32"});
+}