Odpowiedź:
[tex]1 \frac{1}{7} = \frac{8}{7} \\ 2 \frac{3}{5} = \frac{13}{5} \\ 4 \frac{1}{2} = \frac{9}{2} \\ [/tex]
[tex] \frac{8}{3} = 2 \frac{2}{3} \\ \frac{12}{7} = 1 \frac{5}{7} \\ \frac{15}{5} = 3[/tex]
