need na po now please

Answers:
1. 2/3
2. 3/8
3. 4/5
4. 3/17
5. 13/20
6. 16/19
7. 2/3
8. 11/14
9. 8/9
10. 19/20
11. 4/5
12. 3/4
THAT'S ALL. WELCOME.