Perform the Indicated Operation $\frac { 1 } { 4 } + \frac { 1 } { 12 }$

Perform the indicated operation. $\frac { 1 } { 4 } + \frac { 1 } { 12 }$

A) $\frac { 1 } { 16 }$
B) $\frac { 1 } { 48 }$
C) $\frac { 1 } { 4 }$
D) $\frac { 1 } { 3 }$
E) $3$