Question

how do I have the quotient for 5 divided by 7/8

Answer 1

5 / 7/8 is the same as doing 5 times the reciprocal of 7/8, or
5 • 8/7.

And since 5 is really 5/1, we can just multiply the two fractions together as you would usually do.

5/1 • 8/7 = 5•8/1•7 = 40/7

Answer is 40/7