1) 9 5/9- 5/9 = 9

2) 75 41/69-3 41/69 = 72

3) 8 3/7-2 2/7 = (8-2)+(3/7-2/7) = 6 1/7

4) 10 5/17-4 3/17 = (10-4)+(5/17-3/17) = 6 2/17

5) 83 63/101-19 24/101 = (83-19)+(63/101-24/101) = 64 39/101