| $$ \begin{aligned}\frac{29296875}{10000000000}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}} \frac{ 29296875 : \color{orangered}{ 9765625 } }{ 10000000000 : \color{orangered}{ 9765625 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{3}{1024}\end{aligned} $$ | |
| ① | Divide both the top and bottom numbers by $ \color{orangered}{ 9765625 } $. |