Find the LCD $\frac { 5 } { x ^ { 2 } - 9 x + 20 } , \frac { 9 } { x ^ { 2 } - 8 x + 16 }$

Multiple Choice

Find the LCD. Do not combine fractions.
- $\frac { 5 } { x ^ { 2 } - 9 x + 20 } , \frac { 9 } { x ^ { 2 } - 8 x + 16 }$

A) $( x + 5 ) ( x + 4 ) ( x - 4 )$
B) $( x - 4 ) ( x - 4 )$
C) $( x - 5 ) ( x - 4 ) ( x - 4 )$
D) $( x - 5 ) ( x - 4 )$