Question
Answer
$$\dfrac{18}{20}=\dfrac{9}{10}$$
Explanation
| $$ \begin{aligned}\frac{18}{20}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}} \frac{ 18 : \color{orangered}{ 2 } }{ 20 : \color{orangered}{ 2 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{9}{10}\end{aligned} $$ | |
| ① | Divide both the top and bottom numbers by $ \color{orangered}{ 2 } $. |
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