$$(-2/5 \times 3/10)+(-2/5 \times 1 \times 5$$
$-\frac{53}{25}=-2.12$
$$\frac{-\frac{2}{5}\times 3}{10}+\frac{-2}{5}\times 1\times 5$$
$$\frac{\frac{-2\times 3}{5}}{10}+\frac{-2}{5}\times 1\times 5$$
$$\frac{\frac{-6}{5}}{10}+\frac{-2}{5}\times 1\times 5$$
$$\frac{-\frac{6}{5}}{10}+\frac{-2}{5}\times 1\times 5$$
$$\frac{-6}{5\times 10}+\frac{-2}{5}\times 1\times 5$$
$$\frac{-6}{50}+\frac{-2}{5}\times 1\times 5$$
$$-\frac{3}{25}+\frac{-2}{5}\times 1\times 5$$
$$-\frac{3}{25}-\frac{2}{5}\times 5$$
$$-\frac{3}{25}-2$$
$$-\frac{3}{25}-\frac{50}{25}$$
$$\frac{-3-50}{25}$$
$$-\frac{53}{25}$$
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$-\frac{53}{25} = -2\frac{3}{25} = -2.12$
