Answer:
8
Explanation:
the denominator of 5/8 is 8
the denominator of 3/4 is 4
4 can be multiplied by 2 to get 8. If we multiply the entire fraction by 2/2, the fraction changes into 6/8
Now 5/8 and 6/8 share the same denominator and it's the smallest denominator shared between the two.