Fraction Calculator
Add, subtract, multiply or divide two fractions. Automatic simplification with decimal and mixed-number outputs.
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5
6
Decimal
0.833333
What is the Fraction Calculator?
The Fraction Calculator adds, subtracts, multiplies and divides two fractions and returns the simplified result, its decimal value and a mixed-number form where applicable. Simplification uses the greatest common divisor, so answers are always in lowest terms.
It handles negative fractions and warns clearly when a denominator is zero.
How to use the Fraction Calculator
- 1Enter the first fraction — numerator on top, denominator below.
- 2Pick an operator: +, −, × or ÷.
- 3Enter the second fraction.
- 4Read the simplified result, with decimal and mixed-number equivalents below.
Key features
- All four basic operations
- Automatic simplification via GCD
- Decimal and mixed-number equivalents
- Handles negative fractions and zero numerators
Frequently asked questions
Does it handle mixed numbers as input?
Not directly — convert 1 1/2 to the improper fraction 3/2 first.
What happens if I enter 0 as denominator?
The result shows as "—" because dividing by zero is undefined.
All Utility
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