Simplify (Algebra)?

Question

1) 7/8 divided by 1/4

2) ab/c divided by a/bc

Answer 1

for both of these you need to invert and multiply by the "divisor"

1,
7/8 * 4/1 = 28/8
ANS: 28/8 or 3 1/2

2,
ab/c * bc/a = ab²c/ ac = b²
ANS: b²

Answer 2

4*(7/8)= 7/2
(ab/c)(bc/a)= b^2