Fraction Calculator

Calculate with fractions easily
Enter fractions and calculate to see the result

How to Use the Fraction Calculator

This calculator allows you to perform basic arithmetic operations with fractions:

  1. Select the operation you want to perform (addition, subtraction, multiplication, or division).
  2. Enter the numerator and denominator for each fraction.
  3. Click the "Calculate" button to see the result.
  4. The result will be shown in both fraction form (simplified) and as a decimal.

Fraction Operations

  • Addition: a/b + c/d = (ad + bc) / bd
  • Subtraction: a/b - c/d = (ad - bc) / bd
  • Multiplication: a/b × c/d = ac / bd
  • Division: a/b ÷ c/d = ad / bc

All fraction results are automatically simplified to their lowest terms.

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Calculation History

Your calculation history will appear here.

Fraction Tips

  • 1
    To convert a decimal to a fraction, use the "Multiply by 1" operation
  • 2
    A whole number can be written as a fraction with 1 as denominator
  • 3
    Mixed numbers (e.g., 1½) must be converted to improper fractions first