Answer: 17/42 of shape B is shaded.
Step-by-step explanation:
You are trying to find the shaded part of shape A minus the unshaded part of shape C.
Shaded part of shape A: 4/7
Unshaded part of shape C: 1 - 5/6 = 1/6
Shaded part of shape A minus unshaded of shape C:
4/7 - 1/6
= 24/42 - 7/42
= 17/42
