Решим данный пример по действиям:
$$8\frac{2}{3} = \frac{26}{3}$$
$$1\frac{1}{8} = \frac{9}{8}$$
$$2\frac{2}{3} = \frac{8}{3}$$
$$8\frac{1}{2} = \frac{17}{2}$$
$$5\frac{3}{4} = \frac{23}{4}$$
$$5 \cdot 1\frac{1}{8} = 5 \cdot \frac{9}{8} = \frac{45}{8}$$
$$10:2\frac{2}{3} = 10:\frac{8}{3} = 10 \cdot \frac{3}{8} = \frac{30}{8} = \frac{15}{4}$$
$$\frac{26}{3} + \frac{45}{8} - \frac{15}{4} = \frac{26 \cdot 8}{3 \cdot 8} + \frac{45 \cdot 3}{8 \cdot 3} - \frac{15 \cdot 6}{4 \cdot 6} = \frac{208}{24} + \frac{135}{24} - \frac{90}{24} = \frac{208 + 135 - 90}{24} = \frac{253}{24}$$
$$\frac{17}{2} - \frac{23}{4} = \frac{17 \cdot 2}{2 \cdot 2} - \frac{23}{4} = \frac{34}{4} - \frac{23}{4} = \frac{11}{4}$$
$$\frac{\frac{253}{24}}{\frac{11}{4}} = \frac{253}{24} \cdot \frac{4}{11} = \frac{253 \cdot 4}{24 \cdot 11} = \frac{11 \cdot 23 \cdot 4}{4 \cdot 6 \cdot 11} = \frac{23}{6} = 3\frac{5}{6}$$
Ответ: \(3\frac{5}{6}\)