Perform the Indicated Operations $\frac { 7 } { 9 x } + \frac { 5 } { 9 x }$

Multiple Choice

Perform the indicated operations.
- $\frac { 7 } { 9 x } + \frac { 5 } { 9 x }$

A) $\frac { 12 } { 18 x }$
B) 1
C) $\frac { 3 } { 4 x }$
D) $\frac { 4 } { 3 x }$