Respuesta :
85/100 is greater
85/100=.85 or 85%
21/25=.84 or 84%
.85 is greater than .84 so 85/100 > 21/25
you have to multiply 21/25 so that both denominators are the same.
so you get 84/100 therefor 85/100 is bigger
so you get 84/100 therefor 85/100 is bigger