Question

Find the difference. 7 7/8 - 3 1/4 ?

Answer 1

7 7/8= 63/8

3 1/4= 13/4

63/8 -13/4 we bring to the same denominator

(63-26)/8= 37/8

Answer 2

`7(7)/(8)-3(1)/(4)\\\\LCD((7)/(8);(1)/(4))\\\\List\ the\ multiples\ of\ 4:\ 0;\ 4;\ \fbox8;\ ...\\\\(1)/(4)=(1*2)/(4*2)=(2)/(8)\\\\7(7)/(8)-3(2)/(8)=4(7-2)/(8)=\boxed{4(5)/(8)}`