Add, subtract, multiply, and divide fractions with automatic simplification.
Enter two fractions and select an operation.
1/2 + 1/4:
= (1×4 + 1×2) / (2×4) = 6/8 = 3/4
Find the greatest common divisor (GCD) of numerator and denominator, then divide both by it. Our calculator does this automatically.
Divide the numerator by the denominator. For example, 3/4 = 3 ÷ 4 = 0.75.