$$\frac{11}{10}\times\frac{2}{5}-\frac{4}{7}\times\frac{11}{12}\times\frac{3}{4}$$
$\frac{33}{700}\approx 0.047142857$
$$\frac{11\times 2}{10\times 5}-\frac{4}{7}\times \frac{11}{12}\times \frac{3}{4}$$
$$\frac{22}{50}-\frac{4}{7}\times \frac{11}{12}\times \frac{3}{4}$$
$$\frac{11}{25}-\frac{4}{7}\times \frac{11}{12}\times \frac{3}{4}$$
$$\frac{11}{25}-\frac{4\times 11}{7\times 12}\times \frac{3}{4}$$
$$\frac{11}{25}-\frac{44}{84}\times \frac{3}{4}$$
$$\frac{11}{25}-\frac{11}{21}\times \frac{3}{4}$$
$$\frac{11}{25}-\frac{11\times 3}{21\times 4}$$
$$\frac{11}{25}-\frac{33}{84}$$
$$\frac{11}{25}-\frac{11}{28}$$
$$\frac{308}{700}-\frac{275}{700}$$
$$\frac{308-275}{700}$$
$$\frac{33}{700}$$
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$\frac{3 \cdot 11}{2 ^ {2} \cdot 5 ^ {2} \cdot 7} = 0.047142857142857146$