Fraction Calculator

Add, subtract, multiply, divide fractions

Fraction Rules

Addition/Subtraction

Find common denominator first

Multiplication

Multiply tops, multiply bottoms

Division

Flip the second fraction, then multiply

Simplify

Divide by greatest common divisor

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<iframe src="https://allprocalculator.com/embed/fraction-calculator" width="100%" height="600" frameborder="0" style="border:1px solid #e2e8f0; border-radius:12px;"></iframe>
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Fraction Calculator

Perform fraction operations with automatic simplification to lowest terms.

Fraction Rules

  • Add/Subtract: Find common denominator
  • Multiply: Top × top, bottom × bottom
  • Divide: Flip second fraction, then multiply