Question

how much of the circle is shaded? fraction in simplest form

Answer 1

1/1 - 1/2 - 1/7 = shaded region
You need a common denominator. In this case, the LCD is 14.

1*14/1*14 - 1*7/2*7 - 1*2/7*2
14/14 - 7/14 - 2/14
Now you can subtract. Once you get your answer, you can simplify it if possible.

Answer 2

@Lyrae