Perform the Operation Involving Rational Numbers $\frac { 13 } { 45 } + \frac { 9 } { 20 }$

Multiple Choice

Perform the operation involving rational numbers. $\frac { 13 } { 45 } + \frac { 9 } { 20 }$

A) $\frac { 133 } { 179 }$
B) $\frac { 180 } { 133 }$
C) $\frac { 133 } { 180 }$
D) $\frac { 133 } { 360 }$