Odpowiedź:
2 i 1/12 - 5/12 = 1 i 13/12 - 5/12 = 1 i 8/12 = 1 i 2/3
[tex]2\frac{1}{12} -\frac{5}{12} = \frac{25}{12} -\frac{5}{12} =\frac{20}{12} =\frac{5}{3} =1\frac{2}{3}[/tex]
