D) 4 1/8 - 1 2/8 = 3 9/8 - 1 2/8 = 2 7/8
E) 8 7/9 - 6 8/9 = 7 16/9 - 6 8/9 = 1 8/9
F) 8 3/20 - 1 17/20 = 7 23/20 - 1 17/20 =
= 6 6/20 = 6 3/10
G) 6 6/25 - 5 8/25 = 5 31/25 - 5 8/25 =
= 23/25
H) 14 11/13 - 12 12/13 = 13 24/13 - 12 12/13 = 1 12/13
I) 25 3/17 - 18 4/17 = 24 20/17 - 18 4/17 =
= 6 16/17