Tap the blue circles to see an explanation.
$$ \begin{aligned}\frac{10}{35-5}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{10}{30} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}} \frac{ 10 : \color{orangered}{ 10 } }{ 30 : \color{orangered}{ 10 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{1}{3}\end{aligned} $$ | |
① | Simplify numerator and denominator |
② | Divide both the top and bottom numbers by $ \color{orangered}{ 10 } $. |