10) \(5 - \frac{7}{9} = \)

\(5 - \frac{7}{9} = 4 + \frac{9}{9} - \frac{7}{9} = 4 + \frac{9 - 7}{9} = 4 + \frac{2}{9} = 4\frac{2}{9}\)

Ответ: \(4\frac{2}{9}\)