Simplify Your Answer Should Be in Lowest Terms $\frac { 7 } { 9 } + \left( - \frac { 3 } { 13 } \right)$

Multiple Choice

Simplify. Your answer should be in lowest terms.
- $\frac { 7 } { 9 } + \left( - \frac { 3 } { 13 } \right)$

A) $\frac { 64 } { 117 }$

B) $\frac { 64 } { 9 }$

C) $\frac { 4 } { 117 }$

D) $\frac { 117 } { 64 }$