Question

Помогите номер 807 а)

Answer 1

$2 frac{1}{3} -1frac{1}{2} =2 frac{1*2}{3*2} -1frac{1*3}{2*3} =\ \ 2 frac{2}{6} -1frac{3}{6} =1 frac{8}{6} -1frac{3}{6}= \ \ (1-1) frac{8-3}{6} = frac{5}{6}$