$$1/6/9|6$$
$\frac{1}{9}\approx 0.111111111$
$$\frac{1}{6\times 9}|6|$$
$$\frac{1}{54}|6|$$
$$\frac{1}{54}\times 6$$
$$\frac{6}{54}$$
$$\frac{1}{9}$$
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$\frac{1}{3 ^ {2}} = 0.1111111111111111$