а) 3 1\8-2 2\3+1\6 = 3 3/24 - 2 12/24 + 4/24 = 3 7/24 - 2 12/24 = 2 31/24 - 2 12/24 = 19/24
б) 4 3\5-2+1\10 = 4 6/10 - 2 + 1/10 = 5 7/10 - 2 = 3 7/10
в) 3 7\8-2 3\4+1\2 = 3 7/8 - 6/8 + 4/8 = 3 1/8 + 4/8 = 3 5/8
г) 3 5\14-1-6\7 = 2 5/14 - 12/14 = 1 19/14 - 12/14 = 1 7/14 = 1 1/2