д) $$(13-8\frac{5}{12})+(17\frac{1}{2}-16\frac{1}{5})$$;

Решим пример:

1. $$(13-8\frac{5}{12})+(17\frac{1}{2}-16\frac{1}{5})$$
2. $$13-8\frac{5}{12} = 12\frac{12}{12} - 8\frac{5}{12} = 4\frac{7}{12}$$
3. $$17\frac{1}{2}-16\frac{1}{5} = 17\frac{5}{10} - 16\frac{2}{10} = 1\frac{3}{10}$$
4. $$4\frac{7}{12}+1\frac{3}{10} = 4\frac{35}{60} + 1\frac{18}{60} = 5\frac{53}{60}$$

Ответ: $$5\frac{53}{60}$$