Which Is the Difference Of $\frac { 17 } { 32 } - \frac { 9 } { 32 }$

Multiple Choice

Which is the difference of $\frac { 17 } { 32 } - \frac { 9 } { 32 }$ in lowest terms?

A) $\frac { 1 } { 4 }$
B) $\frac { 1 } { 8 }$
C) $\frac { 9 } { 18 }$
D) $\frac { 8 } { 32 }$