Ответ: Сокращение дробей
а) \(\frac{32}{80}\) = \(\frac{32:16}{80:16}\) = \(\frac{2}{5}\)
б) \(\frac{14}{63}\) = \(\frac{14:7}{63:7}\) = \(\frac{2}{9}\)
в) \(\frac{56}{72}\) = \(\frac{56:8}{72:8}\) = \(\frac{7}{9}\)
Ответ: Дроби сокращены.