Question

what should subtracted from 8 1/2 to get 3 3/4​

Answer 1

Let the required number be x.

A/q,

x - 17/2 = 15/4

=> x = 15/4 + 17/2

=> x = (15 + 34) / 4

=> x = 49/4

=> x = 12 1/4

Hence the requird number is 12 1/4