Are the results exact?

Yes — for fraction arithmetic the calculator uses integer math and reduces by the greatest common divisor, so there is no floating-point rounding.

Fraction Calculator

Add, subtract, multiply, and divide fractions with exact, fully simplified results, and convert decimals to fractions — all with integer-precise math.

How to use Fraction Calculator

Enter two fractions and choose an operation.
Read the simplified fraction, mixed number, and decimal.
Or switch to decimal-to-fraction conversion.

Frequently asked questions

Are the results exact?: Yes — for fraction arithmetic the calculator uses integer math and reduces by the greatest common divisor, so there is no floating-point rounding.

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