Add the Fractions Below, and Express the Answer in Its $\frac { 4 } { 5 y } + \frac { 2 } { 3 b }$

Multiple Choice

Add the fractions below, and express the answer in its lowest terms. $\frac { 4 } { 5 y } + \frac { 2 } { 3 b }$

A) $\frac { 4 b + 10 y } { 5 b }$
B) $\frac { 12 b + 2 y } { 3 y }$
C) $\frac { 12 b + 10 y } { 15 y b }$
D) none of these