$$\{ 6 ^ { - 1 } + ( \frac { 3 } { 2 } ) ^ { - 1 } \} ^ { - 1 } = ?$$
$\frac{6}{5}=1.2$
$$\left(\frac{1}{6}+\left(\frac{3}{2}\right)^{-1}\right)^{-1}$$
$$\left(\frac{1}{6}+\frac{2}{3}\right)^{-1}$$
$$\left(\frac{5}{6}\right)^{-1}$$
$$\frac{6}{5}$$
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$\frac{2 \cdot 3}{5} = 1\frac{1}{5} = 1.2$
