а) 1 целая - 1/3
б) 1 целая - 3/4
в) 1 целая - 11/20
г) 1 целая - 7/10
д) 1 целая 16/17

1 - 1/3 = 3/3 - 1/3 = 2/31 - 3/4 = 4/4 - 3/4 = 1/41 - 11/20 = 20/20 - 11/20 = 9/201 - 7/10 = 10/10 - 7/10 = 3/101 - 16/17 = 17/17 - 16/17 = 1/17