Вычислите: 13 3/7 - 4 2/7. 7 11/22 - 5 17/22 9 11/15 - 4 14/15 10 7/12 - 8 11/12

Question

Вычислите: 13 3/7 - 4 2/7.
7 11/22 - 5 17/22
9 11/15 - 4 14/15
10 7/12 - 8 11/12

Answer 1

13 3/7 - 4 2/7 = 9 1/7
7 11/22 - 5 17/22 = 6 33/22 - 5 17/22 = 1 16/22
9 11/15 - 4 14/15 = 8 26/15 - 4 14/15 = 4 12/15
10 7/12 - 8 11/12 = 9 19/12 - 8 11/12 = 1 8/12