Question

Помогите пожалуйста

Answer 1

$5 frac{7}{12} +11 frac{1}{6} = 5 frac{7}{12}+11 frac{2}{12} = 16 frac{9}{12} = 16 frac{3}{4}$ 
$16 frac{3}{4} : 5 frac{7}{12} = frac{67}{4} : frac{67}{12} = frac{64}{4}. frac{12}{64} = frac{12}{4} = 3$