## Basic College Mathematics (9th Edition)

$\frac{8}{3}$
1. Do numbers in parenthesis first: $\frac{-9+18\div18}{5-48\div6}$ 2. Then we must do the division: $\frac{-9+1}{5-8}$ 3. Next, we do the addition and subraction: $\frac{-8}{-3}$ 4. Lastly, we cancel out the 2 negatives in the fraction: $\frac{8}{3}$