Question
Answer
$$\dfrac{2}{3x}+\dfrac{5}{3x}=\dfrac{7}{3x}$$
Explanation
| $$ \begin{aligned}\frac{2}{3x}+\frac{5}{3x}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{7}{3x}\end{aligned} $$ | |
| ① | Add $ \dfrac{2}{3x} $ and $ \dfrac{5}{3x} $ to get $ \dfrac{7}{3x} $. To add expressions with the same denominators, we add the numerators and write the result over the common denominator. $$ \begin{aligned} \frac{2}{3x} + \frac{5}{3x} & = \frac{2}{\color{blue}{3x}} + \frac{5}{\color{blue}{3x}} =\frac{ 2 + 5 }{ \color{blue}{ 3x }} = \\[1ex] &= \frac{7}{3x} \end{aligned} $$ |
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Simplify Rational Expressions