Perform the Indicated Operation, and Express Your Answer in Reduced $\frac { 4 } { 3 x ^ { 3 } } + \frac { 5 } { x }$

Multiple Choice

Perform the indicated operation, and express your answer in reduced form. $\frac { 4 } { 3 x ^ { 3 } } + \frac { 5 } { x }$

A) $\frac { 4 + 15 x ^ { 2 } } { 3 x ^ { 3 } }$
B) $\frac { 5 + 4 x ^ { 2 } } { 15 x ^ { 3 } }$
C) $\frac { 4 + 5 x } { 3 x ^ { 3 } }$
D) $\frac { 5 + 15 x ^ { 2 } } { 3 x ^ { 3 } }$
E) $\frac { 3 + 15 x } { 4 x ^ { 3 } }$