Question

(3целых1/2-2целых3/4) * (1целых1/6 -5/12)

Answer 1

$(3 frac{1}{2} -2 frac{3}{4} )*(1 frac{1}{6} - frac{5}{12})=( frac{3}{2} - frac{11}{4} )*( frac{7}{6} - frac{5}{12} )=( frac{6}{4} - frac{11}{4} )*( frac{14}{12} - frac{5}{12}) = \ = -frac{5}{11} * frac{9}{12} = frac{45}{132}$