Question

How many equivalent fractions are equivalent to 4/5?

Answer 1

There are many fractions equal to 4/5, here are some:-

4*2 = 8
5*2 = 10

8/10, 12/15, 24/30

Answer 2

There is an infinite number of equivalent fractions!!
Just multiply the numerator and denominator with the same factors like:
8/10
12/15
16/20