Вычислите произведение д)25*7/30 е)32*11/48 ж)13/15*6 з)7/20*15

25 * 7/30 = 5 * 7/6 = 35/6 = 5  5/6
32 * 11/48 = 4 * 11/6 = 2 * 11/3 = 22/3 = 7  1/3
13/15 * 6 = 13 / 5 * 3 = 36/5 = 7  1/5
7/20 * 15 = 7/4 * 3 = 21/4 = 5  1/4