Fraction Calculator: How to Add, Subtract, Multiply, and Divide Fractions

Published: 2026-05-03 · 5 min read

Fractions don't have to be confusing. This guide walks you through every operation with clear examples and simple rules.

Fraction Operations Made Simple Fractions represent parts of a whole. The top number numerator tells how many parts you have; the bottom denominator tells how many equal parts make the whole. Adding Fractions Same denominator: Add numerators, keep denominator - 1/4 + 2/4 = 3/4 Different denominators: Find LCD first - 1/3 + 1/4 = 4/12 + 3/12 = 7/12 Subtracting Fractions Same rules as addition: - 3/4 − 1/4 = 2/4 = 1/2 - 2/3 − 1/5 = 10/15 − 3/15 = 7/15 Multiplying Fractions Rule: Multip...

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