Fraction Calculator

Add, subtract, multiply or divide two fractions.

About this tool

Add, subtract, multiply or divide two fractions and get the result simplified to its lowest terms, along with the decimal equivalent.

Key Features

  • All four basic operations
  • Automatically simplifies to lowest terms
  • Shows the decimal equivalent

How to Use

  1. Enter the first fraction's numerator and denominator.
  2. Choose an operation.
  3. Enter the second fraction's numerator and denominator.
  4. Click Calculate.

Benefits

  • Check homework or recipe scaling by hand
  • See fractions in simplest form instantly
  • Avoid common sign and simplification mistakes

Frequently Asked Questions

The result's numerator and denominator are both divided by their greatest common divisor (GCD), so the final fraction is always in lowest terms.
A fraction with a zero denominator is undefined, so the calculator blocks the calculation and asks for a non-zero denominator instead of showing an error result like Infinity.

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