Fraction Calculator

Add, subtract, multiply and divide fractions, with the result simplified to lowest terms.

Enter values

Numerator 1

Denominator 1

Operation

Numerator 2

Denominator 2

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combine over a common denominator, then divide by the GCD

All calculations run locally in your browser and update instantly as you type.

Are results simplified?+

Yes — the result is reduced to lowest terms by dividing the numerator and denominator by their greatest common divisor.

All calculations run locally in your browser. Nothing you type is sent to a server.