Add. Do not use a number line except as a check.
-$- \frac { 3 } { 6 } + \frac { 2 } { 3 }$
A) $- \frac { 7 } { 6 }$
B) $\frac { 1 } { 6 }$
C) $\frac { 2 } { 3 }$
D) $\frac { 7 } { 6 }$

Question

Quizplus · Accepted Answer

First, simplify $-\frac{3}{6}$ to $-\frac{1}{2}$. Then, find a common denominator for $-\frac{1}{2}$ and $\frac{2}{3}$, which is 6. Convert the fractions: $-\frac{3}{6} + \frac{4}{6} = \frac{1}{6}$.

Add Do Not Use a Number Line Except as a Check