$$- \frac{ 11 }{ 15 } / \frac{ 7 }{ 90 } \times ( \frac{ 5 }{ 44 } )/(- \frac{ 3 }{ 2 } ) \times ( \frac{ 2 }{ 9 } )$$
$\frac{10}{63}\approx 0.158730159$
$$\frac{-\frac{11}{15}\times \frac{90}{7}\times \frac{5}{44}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$\frac{\frac{-11\times 90}{15\times 7}\times \frac{5}{44}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$\frac{\frac{-990}{105}\times \frac{5}{44}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$\frac{-\frac{66}{7}\times \frac{5}{44}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$\frac{\frac{-66\times 5}{7\times 44}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$\frac{\frac{-330}{308}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$\frac{-\frac{15}{14}}{-\frac{3}{2}}\times \frac{2}{9}$$
$$-\frac{15}{14}\left(-\frac{2}{3}\right)\times \frac{2}{9}$$
$$\frac{-15\left(-2\right)}{14\times 3}\times \frac{2}{9}$$
$$\frac{30}{42}\times \frac{2}{9}$$
$$\frac{5}{7}\times \frac{2}{9}$$
$$\frac{5\times 2}{7\times 9}$$
$$\frac{10}{63}$$
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$\frac{2 \cdot 5}{3 ^ {2} \cdot 7} = 0.15873015873015872$
