Question 57575
1st: (-x/4)/(6/x)
Invert the denominator and multiply to get:
(-x/4)*(x/6)
= -x^2/24
--------------

(3y/2)/(3/7)

Invert the denominator and multiply to get:
(3y/2)*(7/3)
7y^2/2
Cheers,
Stan H.