$$\frac{ 2 }{ 2 } + \frac{ 4 }{ 8 } + \frac{ 5 }{ 7 }$$
$\frac{31}{14}\approx 2.214285714$
$$1+\frac{4}{8}+\frac{5}{7}$$
$$1+\frac{1}{2}+\frac{5}{7}$$
$$\frac{2}{2}+\frac{1}{2}+\frac{5}{7}$$
$$\frac{2+1}{2}+\frac{5}{7}$$
$$\frac{3}{2}+\frac{5}{7}$$
$$\frac{21}{14}+\frac{10}{14}$$
$$\frac{21+10}{14}$$
$$\frac{31}{14}$$
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$\frac{31}{2 \cdot 7} = 2\frac{3}{14} = 2.2142857142857144$
