Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{1}{19\cdot84i+22\cdot5}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{1}{1596i+110}\end{aligned} $$ | |
| ① | $$ 19 \cdot 84 i = 1596 i $$ |
| ② | $$ 22 \cdot 5 = 110 $$ |