7-514
6-5 23
12-9 38
11-6 23
8-3 27

7 - 5 1/4 = 6 4/4 - 5 1/4 = 1 3/4
6 - 5 2/3 = 5 3/3 - 5 2/3 = 1/3
12 - 9 3/8 = 11 8/8 - 9 3/8 = 2 5/8
11 - 6 2/3 = 10 3/3 - 6 2/3 = 4 1/3
8 - 3 2/7 = 7 7/7 - 3 2/7 = 4 5/7