Given data;
The given expression is 6 1/5 - 2 4/5 + 4.
The given expression can be written as,
[tex]\begin{gathered} 6\frac{1}{5}-2\frac{4}{5}+4=\frac{31}{5}-\frac{14}{5}+4 \\ =\frac{31-14+20}{5} \\ =\frac{37}{5} \\ =7\frac{2}{5} \end{gathered}[/tex]Thus, the given expression can be written as 7 2/5.
