Question

13целаз 2пятых - 11,2 : 9целых 1третья

Answer 1

$13frac{2}{5} - 11,2 : 9 frac{1}{3} = frac{67}{5} - frac{112}{10} * frac{3}{28} = frac{67}{5} - frac{6}{5} = frac{61}{5} = 12 frac{1}{5}$