Enter two fractions and choose add, subtract, multiply or divide. The answer is simplified.
a/b + c/d = (ad + bc) ÷ bd. a/b × c/d = ac ÷ bd. a/b ÷ c/d = a/b × d/c. Then divide top and bottom by their GCD.
1/2 + 1/3 = (3 + 2) ÷ 6 = 5/6. And 3/4 ÷ 1/2 = 3/4 × 2/1 = 6/4 = 3/2 = 1½.