$\frac{2}{5}=\frac{4}{10}=0,4$

$0,\left(6\right)=0,6666\dots$

$0,6$

$\frac{1}{6}=0,16666\dots$

 

 

$\text{poroˊwnanie: }\frac{1}{6}<\frac{2}{5}<0,6<0,\left(6\right)$