Respuesta :

Answer: -1/20

Explanation:

First you have to get them to have the same denominator so what goes into both 4 and 5, it’s 20.
3/4 x 5/5= 15/20
4/5 x 4/4= 16/20
15/20 - 16/20 = -1/20

I HOPE THIS HELPS IF NOT FEEL FREE TO COMMENT AND TELL ME SO
The answer is 1/20 I hope that helps you