Perform the indicated operation and reduce the answer to lowest terms.
-$$\frac { 1 } { 7 } - \frac { 1 } { 12 }$$
A) $\frac { 5 } { 7 }$
B) $\frac { 1 } { 84 }$
C) $\frac { 5 } { 84 }$
D) $\frac { 1 } { 7 }$

Question

Quizplus · Accepted Answer

To subtract fractions, find a common denominator, which in this case is 84 (7*12). Convert each fraction: $\frac{1}{7} = \frac{12}{84}$ and $\frac{1}{12} = \frac{7}{84}$. Subtracting gives $\frac{12}{84} - \frac{7}{84} = \frac{5}{84}$.

Perform the Indicated Operation and Reduce the Answer to Lowest 17−112\frac { 1 } { 7 } - \frac { 1 } { 12 }71​−121​

Perform the Indicated Operation and Reduce the Answer to Lowest $\frac { 1 } { 7 } - \frac { 1 } { 12 }$