Odpowiedź:
[tex]16-\frac{5}{7} =\frac{112}{7}- \frac{5}{7}=\frac{112-5}{7}=\frac{107}{7} =15\frac{2}{7}[/tex]
16 - 5/7 = 15 i 7/7 - 5/7 = 15 i 2/7
