Задание
Укажите неверное равенство.
- \(\frac{56}{80}\) = \(\frac{7}{8}\)
- \(\frac{3}{5} = \frac{21}{35}\)
- \(\frac{5}{7} = \frac{15}{21}\)
- \(\frac{14}{63} = \frac{2}{9}\)