Выполните действия: (5 3/20-4.2)+(3.11+1 2/5)

[latex]( 5\frac{3}{20} - 4.2)+(3.11+1 \frac{2}{5} )[/latex] [latex]( \frac{103}{20} - \frac{42}{10} )+( \frac{311}{100}+ \frac{7}{5}) [/latex] [latex]( \frac{412}{100} - \frac{420}{100} )+ (\frac{311}{100} + \frac{140}{100} )= ( \frac{-8}{100} )+ (\frac{451}{100} )= \frac{443}{100} = 4,43 [/latex]