Simplify the Rational Expression $\frac { 20 x + 16 } { 16 x - 12 }$

Simplify the rational expression. $\frac { 20 x + 16 } { 16 x - 12 }$

A) $\frac { 5 x + 16 } { 4 x - 12 }$
B) 9
C) $- \frac { 5 x + 4 } { 4 x + 3 }$
D) $\frac { 5 x + 4 } { 4 x - 3 }$