Question
Answer
$$\dfrac{27\sqrt{13}}{117}=\dfrac{3\sqrt{13}}{13}$$
Explanation
| $$ \begin{aligned}\frac{27\sqrt{13}}{117}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{ 27 \sqrt{ 13 } : \color{blue}{ 9 } } { 117 : \color{blue}{ 9 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{3\sqrt{13}}{13}\end{aligned} $$ | |
| ① | Divide numerator and denominator by $ \color{blue}{ 9 } $. |
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