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Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step simplification.

Calculate Fractions

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How It Works

Addition & Subtraction

To add or subtract fractions, find a common denominator:

a/b ± c/d = (a×d ± c×b)/(b×d)

Multiplication

Multiply numerators and denominators:

a/b × c/d = (a×c)/(b×d)

Division

Multiply by the reciprocal:

a/b ÷ c/d = a/b × d/c = (a×d)/(b×c)

Simplification

Fractions are automatically simplified by finding the Greatest Common Divisor (GCD) of the numerator and denominator and dividing both by it.

Examples

1/2 + 1/4= 3/4
3/4 - 1/2= 1/4
2/3 × 3/4= 1/2
1/2 ÷ 1/4= 2