Reduce the Fraction Below to Its Simplest Form $\frac { 12 x ^ { 4 } m ^ { 11 } } { 54 m ^ { 5 } x ^ { 9 } }$

Reduce the fraction below to its simplest form. $\frac { 12 x ^ { 4 } m ^ { 11 } } { 54 m ^ { 5 } x ^ { 9 } }$