Question

What number should be added to 3/20 to get 3/4

Answer 1

let the required number be X

therefore

3/20 +X= 3/4

X=3/4-3/20

X= 12/20

Answer is equal to 12/20

Answer 2

Let the number be X then

3/2+x=3/4

x=3/4 - 3/20

x=12/20

x=3/5