9. 1 11/60
10. 7/12
11. 10/36
12. 1 8/36
13. 1/24
14. 1/35
15. 7/72
16. 49/60
17. B
18. A
19. It is not accurate because 5/8 should not be replaced by 1, it should be replaced by 1/2.
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All of these were from me, so the results might not all be correct, however, I worked as hard as could, and I think they are all correct.
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Glad I could help, and good luck!
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