Question

What's one fifth of 45

Answer 1

Well lets do the math

One way to do it is 45/5 witch would be 9.

Another way to do it is 1/5 * 45 which is also nine.

To check do 9*5 or 9+9+9+9+9 and either way you get 45.

So, one fifth of 45 in 9

Answer 2

1 /5 = 0 . 2 
45 * . 2 = 9
Hope this helped :)