8 1/3 /(-12.5)

To solve this problem, we need to divide 8 1/3 by -12.5.

First, let's convert the mixed number 8 1/3 into an improper fraction.
8 1/3 = (8 * 3 + 1)/3 = 25/3

Now we can perform the division:
25/3 รท (-12.5)

To divide fractions, we multiply the first fraction by the reciprocal of the second fraction.

25/3 * (-1/12.5)
= (25 * -1) / (3 * 12.5)
= -25/37.5

Simplifying this fraction, we get:
-25/37.5 = -5/7.5

Thus, 8 1/3 / -12.5 is equal to -5/7.5.