Perform the Indicated Operations and Simplify $\left( - \frac { 2 } { 7 } \right) + \left( - \frac { 2 } { 3 } \right)$

Multiple Choice

Perform the indicated operations and simplify. $\left( - \frac { 2 } { 7 } \right) + \left( - \frac { 2 } { 3 } \right)$

A) $\frac { 1 } { 3 }$
B) $- \frac { 21 } { 22 }$
C) $\frac { 4 } { 21 }$
D) $- \frac { 20 } { 21 }$
E) $- \frac { 22 } { 23 }$