В) 9 1/5 - у = 7 3/5
9 1/5 - 7 3/5 = у
у = 2 - 2/5
у = 1 целая 3/5
г) b - 3/17 = 1 16/17
b = 1 16/17 + 3/17
b = 1 19/17 = 1 + 1 2/17
b = 2 целых 2/17
д) z - 4 4/7 = 2 5/7
z = 4 4/7 + 2 5/7
z = 6 9/7 = 6 + 1 2/7
z = 7 целых 2/7
e) 5 6/13 - c = 3 1/13
5 6/13 - 3 1/13 = c
c = 2 целых 5/13