$$(\frac{9}{25}+\frac{2}{1}-\frac{4}{25})$$
$\frac{11}{5}=2.2$
$$\frac{9}{25}+2-\frac{4}{25}$$
$$\frac{9}{25}+\frac{50}{25}-\frac{4}{25}$$
$$\frac{9+50}{25}-\frac{4}{25}$$
$$\frac{59}{25}-\frac{4}{25}$$
$$\frac{59-4}{25}$$
$$\frac{55}{25}$$
$$\frac{11}{5}$$
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$\frac{11}{5} = 2\frac{1}{5} = 2.2$