Question

(1/5) (-5/7) (3/4): I need an answer with an explanation as to why you got this answer.

Answer 1

multiply the tops and bottoms, so:

1 * -5 * 3 = -15 for top

and

5 * 7 * 4 = 140 for bottom

then reduce by dividing by 5, and you get:

-3/28