$$2\frac{2}{5}+3\frac{3}{4}+6\frac{5}{8}$$
$\frac{511}{40}=12.775$
$$\frac{10+2}{5}+\frac{3\times 4+3}{4}+\frac{6\times 8+5}{8}$$
$$\frac{12}{5}+\frac{3\times 4+3}{4}+\frac{6\times 8+5}{8}$$
$$\frac{12}{5}+\frac{12+3}{4}+\frac{6\times 8+5}{8}$$
$$\frac{12}{5}+\frac{15}{4}+\frac{6\times 8+5}{8}$$
$$\frac{48}{20}+\frac{75}{20}+\frac{6\times 8+5}{8}$$
$$\frac{48+75}{20}+\frac{6\times 8+5}{8}$$
$$\frac{123}{20}+\frac{6\times 8+5}{8}$$
$$\frac{123}{20}+\frac{48+5}{8}$$
$$\frac{123}{20}+\frac{53}{8}$$
$$\frac{246}{40}+\frac{265}{40}$$
$$\frac{246+265}{40}$$
$$\frac{511}{40}$$
Show Solution
Hide Solution
$\frac{7 \cdot 73}{2 ^ {3} \cdot 5} = 12\frac{31}{40} = 12.775$
