Question

plz solve the problem number 15,17,18​

Answer 1

Step-by-step explanation:

15. 9 3/4 + 3 5/7 = 13 13/28

15 7/12 - 13 13/28 = 1 1/2

ans= 1 1/2

17. 16-9 4/7 = 6 3/7

ans = 6 3/7

18. 9 1/6 - 6 1/9 = 3 1/18

ans = 3 1/8