Question

(3 7/9 - 4 5/6) : ( -9.5)

Answer 1

$3 frac{7}{9} -4 frac{5}{6} =-1 frac{28-36}{36} =-2 frac{36+28-36}{36} =-2 frac{7}{9}$
$-2frac{7}{9} /-9 frac{1}{2} = frac{25}{9} * frac{2}{19} = frac{50}{171}$