Answer:
9/8
Step-by-step explanation:
Re-write -3/4 / (-8/12) as:
-3
-----
4
=======
-8
-----
12
Now invert the divisor (invert -8/12) and then multiply:
-3 12
----- * -----
4 -8
Next, reduce by dividing 4 into 12:
-3 12 -9
----- * ----- = ------- = 9/8
4 -8 -8
