Evaluate $-\frac{12}{11}-\frac{5}{11}$−1211−511, writing your answer as a simplified fraction.

Evaluate $\frac{13}{11}+\frac{-8}{11}$1311+−811, writing your answer as a simplified fraction.

Evaluate $\frac{-10}{9}-\frac{-8}{9}$−109−−89, writing your answer as a simplified fraction.

Evaluate $-\frac{11}{9}+\frac{5}{9}$−119+59, writing your answer as a simplified fraction.

Understand operations on fractions, decimals, percentages, and integers