Respuesta :

3/4= 0.75; 5/8= 0.63

0.75 - 0.63= 0.12 or 1/8
It would be: 3/4 - 5/8
Take LCM of 4 & 8 then multiply it with numerator (upper number in fraction)
=6-5 /8                
=1/8

In short, Your Answer would be 1/8

Hope this helps!