Выполните действия.
\(21\frac{4}{5}+2\frac{3}{5}-13\frac{1}{5}\)
\(12\frac{4}{5}+6\frac{3}{5}\)
\(2\frac{4}{5}-1\frac{7}{5}\)
\(\frac{2}{5}\)
\(19\frac{1}{5}\)
\(2\frac{4}{5}\)
\(11\frac{1}{5}\)