`2``frac{2}{5}``.0,25``-``(``frac{11}{20}``+``25``%``)``:``frac{13}{5}`
`=``frac{3}{5}``-``(``frac{11}{20}``+``frac{5}{20}``:``frac{13}{5}`
`=``frac{3}{5}``-``frac{16}{20}``:``frac{13}{5}`
`=``frac{3}{5}``-``frac{16}{20}``.``frac{5}{13}`
`=``frac{3}{5}``-``frac{4}{13}``
`=``frac{39}{65}``-``frac{20}{65}`
`=``frac{19}{65}`