Question

Помогите с Задечей!! номер 4

Answer 1

$frac{7}{8}* frac{8}{11} - frac{3}{13} * frac{13}{22} = frac{7}{11} - frac{3}{22} = frac{14}{22} -frac{3}{22} = frac{11}{22} = frac{1}{2}$