7/16 of a number is 21. What fraction of the same number is 13 less than 21?​

Ans:-

Find x if 9 - 5 whole 7/8=x-1/8

Soln:- given  9 - 5 whole 7/8=x-1/8

⇒9-(47/8)=x-1/8

⇒{9-(47/8)+1/8}=x

⇒{(72-47+1)/8}=x

⇒26/8=x

⇒x=26/8

⇒x=13/4 or 3 whole 1/4