Fraction Calculator - Add, Subtract, Multiply, Divide Fractions
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Perform fraction calculations including addition, subtraction, multiplication, and division. Simplify fractions, convert between improper and mixed numbers. This free fraction calculator handles all fraction operations with step-by-step results.

How to Use

How to Use This Fraction Calculator

Step 1: Enter the First Fraction

Enter the numerator and denominator for the first fraction. If using mixed numbers, toggle the 'Use Mixed Numbers' option and enter the whole number part as well.

Step 2: Choose an Operation

Select your operation: Add (+), Subtract (−), Multiply (×), or Divide (÷). The operation button will highlight in red when selected.

Step 3: Enter the Second Fraction

Enter the numerator and denominator for the second fraction. Click the Calculate button to see the result in simplified fraction form, decimal form, and as a mixed number if applicable.

  • Addition: 1/2 + 1/3 = 5/6
  • Subtraction: 3/4 - 1/4 = 1/2
  • Multiplication: 2/3 × 3/4 = 1/2
  • Division: 1/2 ÷ 1/4 = 2

Key Features

  • Automatic fraction simplification to lowest terms
  • Mixed number and improper fraction support
  • Decimal conversion for every result
  • Mobile-optimized responsive design
  • No installation - works in browser
  • Completely free with no limitations

Common Uses

  • Students:
    Solve fraction homework problems and verify your answers.
  • Teachers:
    Demonstrate fraction operations in class with instant results.
  • Cooking & Baking:
    Scale recipes by adding, subtracting, or multiplying ingredient fractions.
  • DIY & Home Projects:
    Calculate material measurements using fractional dimensions.

Frequently Asked Questions

Q: What happens if I enter a denominator of zero?
A: The calculator will show an error message since division by zero is undefined. Please enter a non-zero denominator.

Q: How does the mixed number feature work?
A: Toggle 'Use Mixed Numbers' to enter whole numbers before each fraction. For example, 1 1/2 represents one and one-half. Results are automatically converted to mixed numbers when possible.

Q: Are the results always simplified?
A: Yes, every result is automatically reduced to its simplest form using the greatest common divisor (GCD). Improper fractions are also converted to mixed numbers.