Reduce the Fraction Below to Lowest Terms $\frac { 10 c } { 16 c }$

Multiple Choice

Reduce the fraction below to lowest terms. $\frac { 10 c } { 16 c }$

A) $\frac { 15 } { 16 }$
B) $\frac { 15 } { 8 }$
C) $\frac { 5 } { 8 }$
D) $\frac { 5 } { 16 }$
E) none of these