Notice that every line represents 1/10. Thereby, the blanks to fill would be:
[tex]\begin{gathered} \frac{2}{10}\rightarrow\frac{1}{5} \\ \frac{4}{10}\rightarrow\frac{2}{5} \\ \frac{6}{10}\rightarrow\frac{3}{5} \\ \frac{8}{10}\rightarrow\frac{4}{5} \\ \end{gathered}[/tex]
Thereby,
