Add. Do not use a number line except as a check.
-$- \frac { 1 } { 8 } + \left( - \frac { 5 } { 8 } \right)$
A) $- \frac { 1 } { 2 }$
B) $\frac { 3 } { 4 }$
C) $\frac { 1 } { 2 }$
D) $- \frac { 3 } { 4 }$

Question

Quizplus · Accepted Answer

To add fractions with unlike denominators, we first need to find a common denominator. Here the common denominator is 8. So, we have:

$-\frac{1}{8}-\frac{5}{8}=-\frac{6}{8}$

Now we simplify the fraction:

$-\frac{6}{8}=-\frac{3}{4}$

Therefore, the answer is D, -3/4.

Add Do Not Use a Number Line Except as a Check