Obliczenia
[tex]2 \frac{10}{15} - \frac{5}{6} = 2 \frac{2}{3} - \frac{5}{6} = 2 \frac{4}{6} - \frac{5}{6} = 1 \frac{10}{6} - \frac{5}{6} = 1 \frac{5}{6} \\ \\ 8 \frac{8}{12} - 6 \frac{3}{5} = 8 \frac{2}{3} - 6 \frac{3}{5} = 8 \frac{10}{15} - 6 \frac{9}{15} = 2 \frac{1}{15} [/tex]
