Question

Evaluate -1/5 ab

if a = 3/7 and b = 5/8.

Write in simplest form. A) 3/56
B) 15/56
C) -24/175
D) -3/56

Answer 1

-3/56

Explanation:

-1/5 ab

Let a = 3/7 b = 5/8

-1/5 * 3/7 * 5/8

Rewriting

-1/7 * 3/8 * 5/5

Canceling like terms and multiplying

-3/56