(3целых3/4 + 9целых1/6)*1целую 1/5+2целых2/3

[latex](3 \frac{3}{4} + 9 \frac{1}{6} )*1 \frac{1}{5} +2 \frac{2}{3} = ( \frac{15}{4}+ \frac{55}{6})* \frac{6}{5}+ \frac{8}{3}= ( \frac{45}{12}+ \frac{110}{12})* \frac{18}{15} + \frac{40}{15} [/latex]