8) 8\(\frac{1}{3}\) + (-7,3) =

\(8\frac{1}{3}=\frac{25}{3}\), \(7.3=\frac{73}{10}\).

\(\frac{25}{3}-\frac{73}{10}=\frac{250-219}{30}=\frac{31}{30}=1\frac{1}{30}\).

Ответ: \(1\frac{1}{30}\).