Question

Fractional part of a circle

I posted a picture, please help would really appreciate it.

Answer 1

1/5 is shaded in the circle 

Answer 2

The section is 3/20, because 1/4=5/20  and then 3/5=12/20 so 12/20+5/20=17/20 and so you would have 3/20 leftover.