$$\sqrt { 2 } + \frac { 2 } { 5 } \cdot \frac { 3 } { 5 }$$
$\sqrt{2}+\frac{6}{25}\approx 1.654213562$
$$\sqrt{2}+\frac{2\times 3}{5\times 5}$$
$$\sqrt{2}+\frac{6}{25}$$
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$\frac{25 \sqrt{2} + 6}{25} = 1.6542135623730951$
