Addition
Common denominator 4 → 2/4 + 1/4 = 3/4
Input
1/2 + 1/4
Output
3/4
Calculators & Converters
Fraction Calculator
Perform fraction arithmetic and get a reduced result plus an optional decimal. Denominators cannot be zero.
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How to Use the Fraction Calculator
Step 1
Enter two fractions
Provide the values or units for this calculation.
Step 2
Choose an operation
The result updates as you change inputs.
Step 3
Review the simplified result
Copy the result or reset to start again.
Fraction Arithmetic
- Addition, subtraction, multiplication, division
- Exact integer arithmetic
- Automatic GCD simplification
- Decimal companion result
- Division-by-zero protection
Supported Operations
Input formats
- Fractions
Output formats
- Simplified fractions
- Decimals
Supported formats
- Fractions
Examples
Multiplication
(2×3)/(3×4) = 6/12 = 1/2
Input
2/3 × 3/4
Output
1/2
Frequently Asked Questions
How is 1/2 + 1/4 simplified?
1/2 + 1/4 = 3/4 after finding a common denominator and reducing.
Can denominators be zero?
No. The calculator rejects a zero denominator.
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