Question

What is a equivalent fraction for 20/100

Answer 1

1/5 just cancel that bad boy down by dividing top and bottom by 20.

Answer 2

You can reduce them, as they are divisible, 
Just cancel one zero from each, it would be = 20/100 = 2/10
Still you can reduce them by dividing from 2, it would be = 2/10 = 1/5

In short, Your Answers can be: 1/5, 2/10, 10/50

Hope this helps!