✓ Effortless Math · Free Tool

Simplify Fractions Calculator

Enter a numerator and denominator to reduce any fraction to lowest terms using the GCD — with the decimal and percent equivalents, the mixed-number form, and full step-by-step working.

Reduce:  a / b = (a ÷ gcd) / (b ÷ gcd)
numerator denominator = ?

Enter whole numbers for the numerator and denominator. The denominator can't be 0. Negatives are fine — the sign moves to the numerator.

Results

Simplest form
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Simplest form
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Decimal
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Percent
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Mixed number
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GCD used
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Step-by-step (reduce by the GCD)