Answer
$$-\frac{3}{4}+(-\frac{3}{4})=-\frac{3}{2}$$
Explanation
| $$ \begin{aligned}-\frac{3}{4}+(-\frac{3}{4})& \xlongequal{ }2(-\frac{3}{4}) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-\frac{3}{2}\end{aligned} $$ | |
| ① | Multiply $2$ by $ \dfrac{-3}{4} $ to get $ \dfrac{-3}{2} $. Write $ 2 $ as a fraction by putting $ \color{red}{1} $ in the denominator. Step 2: Multiply numerators and denominators. Step 3: Cancel down by $ \color{blue}{2} $ $$ \begin{aligned} 2 \cdot \frac{-3}{4} & = \frac{2}{\color{red}{1}} \cdot \frac{-3}{4} = \frac{-6 : \color{blue}{2}}{4 : \color{blue}{2}} = \\[1ex] &= \frac{-3}{2} \end{aligned} $$ |
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Simplify Rational Expressions