Please pasagot guy's kahit yung latter C nalang wag na yung A B PLEASE

Answer:
14. 28
15. 28/100 or 7/25
16. 96/100 or 24/25
17. 96/28 or 24/7 or 3 3/7
18. 100/96 or 25/24 or 1 1/24
19. 100/96 or 25/4 or 1 1/24
20. 28/96 or 7/24