Question

is 8/8 greater than 3/4 ?

Answer 1

8/8 is bigger than 3/4 because 8/8 is equivalent to 1 and 1 is bigger than 3/4.

Answer 2

8/8 = 1 
3/4 = 0.75
so the answer to your question is
 $\frac{8}{8} \ \textgreater \ \frac{3}{4}$