Question
Answer
$$\dfrac{1920}{1080}=\dfrac{16}{9}$$
Explanation
| $$ \begin{aligned}\frac{1920}{1080}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}} \frac{ 1920 : \color{orangered}{ 120 } }{ 1080 : \color{orangered}{ 120 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{16}{9}\end{aligned} $$ | |
| ① | Divide both the top and bottom numbers by $ \color{orangered}{ 120 } $. |
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