Adds, subtracts, multiplies, and divides fractions with full simplification.
The fraction calculator performs addition, subtraction, multiplication, and division of two fractions, and simplifies the result to its lowest terms.
Add/Subtract: a/b ± c/d = (ad ± bc) / bd then simplify Multiply: (a/b) × (c/d) = ac / bd then simplify Divide: (a/b) ÷ (c/d) = (a/b) × (d/c) = ad / bc then simplify Simplify: divide numerator and denominator by GCD
3/4 + 2/5 = (3×5 + 2×4) / (4×5) = (15+8)/20 = 23/20 = 1 3/20.
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