Add or Subtract as Indicated $\frac { 4 } { 9 } + \frac { 4 } { 9 }$

Multiple Choice

Add or subtract as indicated. Write the answer in lowest terms.
- $\frac { 4 } { 9 } + \frac { 4 } { 9 }$

A) $\frac { 7 } { 9 }$
B) $\frac { 9 } { 10 }$
C) $\frac { 8 } { 9 }$
D) $\frac { 7 } { 8 }$