[tex](3 \frac{9}{10} + \frac{13}{10} ) - (5 \frac{3}{10} - 1 \frac{7}{10} )[/tex]
[tex]( \frac{39}{10 } + \frac{13}{10} ) - ( \frac{53}{10} - \frac{17}{10} )[/tex]
[tex] \frac{52}{10} - \frac{36}{10} [/tex]
[tex] \frac{26}{5} - \frac{18}{5} [/tex]
[tex] \frac{8}{5} [/tex]
[tex]1 \frac{3}{5} [/tex]
