Perform the Operation and Give the Answer as a Fraction $- \frac { 1 } { 2 } - \frac { 4 } { 9 }$

Multiple Choice

Perform the operation and give the answer as a fraction in lowest terms.
- $- \frac { 1 } { 2 } - \frac { 4 } { 9 }$

A) $- \frac { 5 } { 18 }$
B) $- \frac { 17 } { 11 }$
C) $- \frac { 5 } { 11 }$
D) $- \frac { 17 } { 18 }$