Question
Answer
$$\dfrac{1}{4}\cdot2=\dfrac{1}{2}$$
Explanation
| $$ \begin{aligned}\frac{1}{4}\cdot2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{1}{2}\end{aligned} $$ | |
| ① | Multiply $ \dfrac{1}{4} $ by $ 2 $ to get $ \dfrac{1}{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} $ $$ \begin{aligned} \frac{1}{4} \cdot 2 & = \frac{1}{4} \cdot \frac{2}{\color{red}{1}} = \frac{2 : \color{blue}{2}}{4 : \color{blue}{2}} = \\[1ex] &= \frac{1}{2} \end{aligned} $$ |
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Simplify Rational Expressions