Выполните умножение 5/6*9/11*22/23

[latex] \frac{5}{6}* \frac{9}{11}* \frac{22}{23} = \frac{5}{2}* \frac{3}{1}* \frac{2}{23} =\frac{5}{1}* \frac{3}{1}* \frac{1}{23} = \frac{15}{23} [/latex]