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Add, subtract, multiply & divide fractions with step-by-step working.
First fraction
whole (optional) · numerator over denominator
Second fraction
whole (optional) · numerator over denominator
1 2/3 + 1/4 = 23/12
Simplified
Mixed number
Decimal
Step-by-step working
GCD(48, 180) = 12
Decimal: 0.266667
Add, subtract, multiply, and divide fractions and mixed numbers with full step-by-step working: mixed-to-improper conversion, common denominators, flip-and-multiply for division, and GCD simplification. Also simplify any single fraction or convert a terminating decimal to an exact fraction. Everything runs live in your browser with exact big-integer math — no rounding errors, no signup.
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