7 5/12-3 2/9=7 15/36-3 8/36=4 7/36

10 1/2-4 9/14=10 7/14-4 9/14=9 21/14-4 9/14=5 12/14=5 6/7

7 4/7-5 7/9=7 36/63-5 49/63=6 99/63-5 49/63=1 50/63

2 3/10-1 11/15=2 9/30-1 22/30=1 39/30-1 22/30=17/30

5 3/8-3 5/6=5 9/24-3 20/24=4 33/24-3 20/24=1 13/24