[tex] - 4 \frac{1}{5} - ( - \frac{2}{5}) = - \frac{4 \times 5 + 1}{5} - ( - \frac{2}{5}) = - \frac{20 + 1}{5} - ( - \frac{2}{5}) = - \frac{21}{5} - ( - \frac{2}{5}) = - \frac{21}{5} + \frac{2}{5} = \frac{ - 21 + 2}{5} = - \frac{19}{5} = - 3 \frac{4}{5} [/tex]
