#### Answer

$\frac{8}{3}$

#### Work Step by Step

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: $\frac{8}{3}$