Answer
$$\frac{\sqrt{4}}{18}=\frac{1}{9}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{\sqrt{4}}{18}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{2}{18} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}} \frac{ 2 : \color{orangered}{ 2 } }{ 18 : \color{orangered}{ 2 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{1}{9}\end{aligned} $$ | |
| ① | The square root of $ 4 $ is $ 2 $. |
| ② | Divide both the top and bottom numbers by $ \color{orangered}{ 2 } $. |
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Simplify Radical Expression