7-51\4
6-5 2\3
12-9 3\8
11-6 2\3
8-3 2\7

7 - 5 1/4 = 6 4/4 - 5 1/4 = 1 3/46 - 5 2/3 = 5 3/3 - 5 2/3 = 1/312 - 9 3/8 = 11 8/8 - 9 3/8 = 2 5/811 - 6 2/3 = 10 3/3 - 6 2/3 = 4 1/38 - 3 2/7 = 7 7/7 - 3 2/7 = 4 5/7