Найдите сумму: -5 7/9+(-3 4/9).

\[- 5\frac{7}{9} + \left( - 3\frac{4}{9} \right) = - \left( 5\frac{7}{9} + 3\frac{4}{9} \right) =\]

\[= - 8\frac{11}{9} = - 9\frac{2}{9}\]