2. Выполнить деление.

a) (3/5) ÷ (1/7) = (3/5) * (7/1) = 21/5, b) (4/7) ÷ (5/28) = (4/7) * (28/5) = 112/35 = 16/5, c) (8/24) ÷ (1/3) = (8/24) * (3/1) = 24/24 = 1, d) (1/16) ÷ (7/5) = (1/16) * (5/7) = 5/112, e) (15/28) ÷ (14/28) = (15/28) * (28/14) = 15/14 = 1 1/14.