Evaluate.
-$\frac { 1 } { 7 } + \left( - \frac { 1 } { 12 } \right)$
A) $- \frac { 5 } { 84 }$
B) $\frac { 5 } { 7 }$
C) $\frac { 5 } { 84 }$
D) $- \frac { 5 } { 7 }$

Question

Quizplus · Accepted Answer

To add the fractions $\frac{1}{7}$ and $-\frac{1}{12}$, find a common denominator, which is 84. Convert the fractions: $\frac{1}{7} = \frac{12}{84}$ and $-\frac{1}{12} = -\frac{7}{84}$. Adding them gives $\frac{12}{84} - \frac{7}{84} = \frac{5}{84}$.

Evaluate - 17+(−112)\frac { 1 } { 7 } + \left( - \frac { 1 } { 12 } \right)71​+(−121​)

Evaluate
- $\frac { 1 } { 7 } + \left( - \frac { 1 } { 12 } \right)$