Find the Least Common Denominator of the Rational Expressions $\frac { 7 } { x }$

Multiple Choice

Find the least common denominator of the rational expressions.
- $\frac { 7 } { x }$ and $\frac { 8 } { x - 6 }$

A) $x ( x - 6 )$
B) $x - 6$
C) 56
D) $x$