yang ini gimana caranya

[tex]a. (3 \frac{2}{3} :1 \frac{1}{2})* (2 \frac{1}{2}*1 \frac{1}{3}) \\ =(\frac{11}{3}:\frac{3}{2})*(\frac{5}{2}*\frac{4}{3}) \\ =(\frac{11}{3}*\frac{2}{3})*(\frac{5}{2}*\frac{4}{3}) \\ =\frac{22}{9}* \frac{20}{6} \\ = \frac{440}{54} \\ = \frac{220}{27} [/tex]