[tex]10 \frac{3}{10} - 4 \frac{7}{10} [/tex]
[tex] \frac{100 + 3}{10} - \frac{40 + 7}{10} [/tex]
[tex] \frac{103}{10} - \frac{47}{10} [/tex]
[tex] \frac{103 - 47}{10} [/tex]
[tex] \frac{56}{10} = \frac{28}{5} [/tex]
[tex] \frac{28}{5}[/tex]
or as a mixed fraction
[tex]5 \frac{3}{5} [/tex]