Fraction Calculator

Use our free fraction calculator to perform arithmetic on fractions. Add, subtract, multiply, or divide two fractions and see the result as a decimal and simplified fraction.

Math

Operation

First Numerator (A)

First Denominator (B)

Second Numerator (C)

Second Denominator (D)

Formula

Fractions represent parts of a whole. This calculator handles all four basic operations on fractions, returning both the decimal result and the simplified fraction.

A/B (op) C/D

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Select an operation: add, subtract, multiply, or divide.
2Enter the numerators and denominators for both fractions.
3Click Calculate to see the result as a decimal and simplified fraction.

Examples

Add 1/3 + 1/4

1.Set operation to Add.
2.Enter A=1, B=3, C=1, D=4.
3.Cross-multiply numerator: 1×4 + 3×1 = 7.
4.Common denominator: 3×4 = 12.
5.Result: 7/12 ≈ 0.583333.

Result: 0.583333 (7/12)

Frequently Asked Questions

To add fractions a/b + c/d, find the common denominator b×d, then add the numerators: (a×d + b×c) / (b×d).

To divide fractions, multiply the first fraction by the reciprocal of the second: (a/b) ÷ (c/d) = (a×d) / (b×c).

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CalculateMe Team

Last updated: 2026-07-13

Fraction Calculator

Formula

How It Works

Examples

Add 1/3 + 1/4

Frequently Asked Questions

How do you add fractions?

How do you divide fractions?

Related Calculators

Fraction Calculator

Formula

How It Works

Examples

Add 1/3 + 1/4

Frequently Asked Questions

How do you add fractions?

How do you divide fractions?

Related Calculators