Fraction Calculator & GCD / LCM
Comprehensive fraction calculator supporting arithmetic (+, -, ×, ÷), mixed number reduction, step-by-step simplification, and Greatest Common Divisor / Least Common Multiple
Simplified Exact Result
{{ fractionResult.whole }}
{{ fractionResult.mixedWhole }}
{{ fractionResult.resNum }}
{{ fractionResult.resDen }}
Decimal Approximation: {{ fractionResult.decimal }} | Reduced Expression: {{ aNum }}/{{ aDen }} {{ op }} {{ bNum }}/{{ bDen }}
Enter 2 or 3 Integers
Greatest Common Divisor (GCD)
{{ gcdResult }}
Least Common Multiple (LCM)
{{ lcmResult }}
Fractions represent parts of a whole. Adding or subtracting fractions requires converting to a common denominator using the Least Common Multiple (LCM). Multiplying multiplies numerators and denominators directly, and division inverts the divisor fraction before multiplication.
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