Question

помогите !! ОТДАМ ВСЕ БАЛЛЫ

Answer 1

1) $2 frac{3}{5} +4 frac{1}{5} =(2+4)+( frac{3}{5} + frac{1}{5} )=6+ frac{3}{10}= frac{63}{10} =6,3$$\ \ 2) 3 frac{1}{2} +5 frac{3}{4} =(3+5)+( frac{1}{2} + frac{3}{4} )=8+ frac{5}{4} = frac{37}{4} =9,25 \1) 7 frac{5}{8} -4 frac{1}{3} =(7-4)+( frac{5}{8} - frac{1}{3} )=3+ frac{7}{24} = frac{79}{24} \ 2)9-2 frac{5}{6} =8 frac{6}{6} -2 frac{5}{6} =(8-2)+( frac{6}{6} - frac{5}{6} )=6+ frac{1}{6} = frac{37}{6}$