Question

Найди сумму чисел 9 4/21
3 2/3

Answer 1

$9 frac{4}{21} + 3 frac{2}{3} = (9+3) + ( frac{4}{21} + frac{2}{3} ) = 12 + frac{18}{21} = 12 + frac{6}{7} = 12 frac{6}{7}$