Fraction Calculator

Add, subtract, multiply or divide fractions exactly and simplify the result.

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How to use this tool

  1. Enter fractions, integers, finite decimals or mixed numbers such as 1 1/2.
  2. Choose an operation to get the reduced fraction and decimal approximation.

Things to know

  • Exact arithmetic uses bounded integer inputs. Denominators cannot be zero; each input is limited to 100 characters.
  • Two fraction inputs of at most 100 characters each, checked before BigInt construction. Exact arithmetic and Euclidean GCD operate on bounded integers.
  • Use no more than 200,000 characters across the input and settings.

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