1) 4 2/3 - 2/3 = 4
2) 9 5/9 - 5/9 = 9
3) 25 21/31 - 21/31 = 25
4) 75 41/69 -31/69 = 75 10/69
5) 40 5/106 - 11 5/106 = 29
6) 8 3/7 - 2 2/7 = 6 1/7
7) 20 11/13 - 9 2/13 = 11 9/13
8) 10 5/17 - 4 3/17 = 6 2/17
9) 19 20/29 - 1 17/29 = 18 3/29
10) 83 63/101 - 19 24/101 = 64 39/101