Fraction Arithmetic Calculator
Local ProcessingAdd, subtract, multiply, and divide two fractions with step-by-step reduced fraction output.
How It Works & Processing Standards
Enter values above to calculate results automatically. Check each input field for guidance and units.
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Fraction arithmetic with results reduced to lowest terms automatically. Choose arithmetic or simplify under "Calculation".
What You Can Do
- Arithmetic
- +, −, × or ÷ two fractions and reduce the result.
- Simplify
- Divide numerator and denominator by their GCD.
How to Use Fraction Arithmetic Calculator
- 1Choose a calculationPick arithmetic or simplify.
- 2Enter numerators and denominatorsA denominator cannot be 0. Put a minus sign on the numerator.
- 3Read the resultResults appear in lowest terms, like "5/6".
Examples
1/2 + 1/3
Input: 1/2 + 1/3
Result: 5/6
Simplify 18/24
Input: Numerator 18, denominator 24
Result: 3/4
Common Use Cases
- Adding or scaling recipe quantities
- Checking fraction homework
- Writing a ratio as the simplest fraction
Frequently Asked Questions (FAQ)
Can I see a mixed number?
Use the Fraction Notation Converter to switch between improper fractions and mixed numbers.
What if I need a decimal?
The fraction ↔ decimal calculation in the Fraction Notation Converter shows 5/6 = 0.8333….