Question

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

Answer 1

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