Question

(4 2/3 + 7/9)+(1/6+7)
(5 3/14-3 1/2)+(1 5/28-3/7)

Answer 1

Ответ:

$(4 \frac{2}{3} + \frac{7}{9} ) + ( \frac{1}{6} + 7) = 12 \frac{11}{18} .$

$(5 \frac{3}{14} - 3 \frac{1}{2} ) + (1 \frac{5}{28} - \frac{3}{7} ) = 2 \frac{13}{28} .$