#1 is 2/3. #2 is 2/5. #3 is 3/4. #4 is 5/6. #5 is 2/7. #6 is 5/8. #7 is 3/10. #8 is 4/9. #9 is 4. #10 is 25. #11 is 6. #12 is 63. #13 is 3. #14 is 6. #15 is 16. #16 is 63. Hope I could help you on this. Usually, I'd spend more time explaining and going through understanding but I understand the stress that comes with having practice AND homework to do! If you need anything explained, let me know.