Respuesta :

Answer:

-3/2

Step-by-step explanation:

(9/10) / (-3/5).

Divisions between fractions is the same as cross multiplication, by that I mean the following

(a/b) / (c/d)= (a*d) / (b*c)

So, our expression is the same as the following= 9*5 / (-3*10) = -45/30= -3/2