How do you solve this problem?

Question

5/6-1/3+7/8 divided by (1/2)^3

Answer 1

[5/6-1/3+7/8]/ (1/2)^3
= (20/24 -8/24 + 21/24)/(1/8)
= (33/24)/(3/24)
= 33/3 = 11