$$9/16 \times 4/12+9/16 \times 3$$
$\frac{15}{8}=1.875$
$$\frac{\frac{9\times 4}{16}}{12}+\frac{9}{16}\times 3$$
$$\frac{\frac{36}{16}}{12}+\frac{9}{16}\times 3$$
$$\frac{\frac{9}{4}}{12}+\frac{9}{16}\times 3$$
$$\frac{9}{4\times 12}+\frac{9}{16}\times 3$$
$$\frac{9}{48}+\frac{9}{16}\times 3$$
$$\frac{3}{16}+\frac{9}{16}\times 3$$
$$\frac{3}{16}+\frac{9\times 3}{16}$$
$$\frac{3}{16}+\frac{27}{16}$$
$$\frac{3+27}{16}$$
$$\frac{30}{16}$$
$$\frac{15}{8}$$
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$\frac{3 \cdot 5}{2 ^ {3}} = 1\frac{7}{8} = 1.875$
