Math & Everyday Calculators

Fraction Calculator

Use Fraction Calculator free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
Result
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HOW IT IS CALCULATED

Calculate with two fractions

Add, subtract, multiply or divide two fractions and automatically reduce the result.

Instant resultClear formulaRuns locally
01Values
02fraction operation → reduce by GCD
03Result

1/2 + 1/3 = 5/6

GOOD TO KNOW

Equivalent fractions share the same value

Reducing a fraction changes its numerator and denominator but not the value represented.

02

In short

What logic does the calculator use?

fraction operation → reduce by GCD

Example?

1/2 + 1/3 = 5/6