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Fraction Calculator : Add, Subtract, Multiply & Divide Fractions

Calculate fractions effortlessly with step-by-step common denominators, cross-multiplication, and reduction to simplest mixed numbers.

Interactive Calculator

100% Client-Side Engine
Simplified Result Fraction
5/6
Decimal: 0.833333

Reduction & Common Denominator Steps

  • Common denominator: 2 × 3 = 6
  • Cross-multiply numerators: (1 × 3) + (1 × 2) = 5
  • Simplify by dividing by GCD (1): 5 / 6

Step-by-Step Examples

Adding 1/2 and 1/3

Adding two fractions with different denominators.

Inputs: Fraction 1: 1/2, Operation: +, Fraction 2: 1/3
Result: 5/6 (0.833333)

Common denominator = 6. (3 + 2) / 6 = 5/6.

How to Use This Tool

  1. Enter numerator and denominator for the first fraction.
  2. Select operation: + (Add), - (Subtract), × (Multiply), or ÷ (Divide).
  3. Enter numerator and denominator for the second fraction.
  4. Click Calculate to see the reduced fraction, mixed number, and decimal representation.

Frequently Asked Questions

Invert the second fraction (find its reciprocal) and multiply the numerators and denominators.