а) 1 - 5/8 = 3/8
в) 10 - 1 1/9 = 8 8/9
д) 9 5/6 - 2 3/4 = 7 1/12
б) 3 3/10 - 1 7/15 = 1 5/6
г) 7 5/18 - 1 7/12 = 5 25/36
е) 5 3/24 - 1 1/21 = 4 13/168
