What is - 5/6 : 9/10?

A.

-27/25

B.

-4/3

C.

3/4

D.

-25/27

Hey there, we change the division sign into a multiplication sign and flip 9/10 to make it 10/9. We can begin mutliplying, - 5*10/9*6=-50/54, - 50/54 simplified is - 25/27. Therefore, your answer is D. - 25/27