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Unit Converters · Free tool

Fraction Calculator

Add, subtract, multiply, or divide fractions — with simplified results and mixed-number conversion. Free math tool.

Updated April 2026

Result (reduced)

5 / 6

Mixed number

5/6

Decimal

0.8333333333

What it does

Add, subtract, multiply, and divide two fractions. Enter numerators and denominators, pick an operation, and the calculator returns the result as a reduced fraction, a mixed number, and a decimal. All math runs in the browser using GCD-based reduction, so results are exact rational numbers, not floating-point approximations.

Great for cooking (half of ¾ cup), carpentry (feet-and-inches math), probability puzzles, and homework. For decimal-to-percent conversions see percentage calculator; for proportions use the ratio calculator.

How to use it

  1. Enter the first fraction (numerator over denominator).
  2. Pick +, −, ×, or ÷.
  3. Enter the second fraction.
  4. Read the reduced answer, mixed number, and decimal equivalent.