Perform the Operation and Give the Answer as a Fraction $\frac { 5 } { 18 } - \frac { 2 } { 18 }$

Multiple Choice

Perform the operation and give the answer as a fraction in lowest terms.
- $\frac { 5 } { 18 } - \frac { 2 } { 18 }$

A) $\frac { 7 } { 18 }$
B) $\frac { 1 } { 12 }$
C) $\frac { 5 } { 9 }$
D) $\frac { 1 } { 6 }$