23/24 minus 7/8 is 1/12
19/24 minus 7/16 is 17/48
51 minus 27 3/7 = 23 4/7
3 and 16/24
21/24 - 23/24 = -2/24 or -1/12
22/24 - 15/24 = 7/24
21/24 - 8/24 = 13/24
7/12 - 3/8 = 14/24 - 9/24 = 5/24.
5/8 - 7/12 = 15/24 - 14/24 = 1/24
33/23 - 7/8 = 264/184 - 161/184 = 103/184
23 - 7 = 16
23 over 24