$$\frac{17}{8} - \frac{1}{16} = \frac{17 \cdot 2}{8 \cdot 2} - \frac{1}{16} = \frac{34}{16} - \frac{1}{16} = \frac{34-1}{16} = \frac{33}{16}$$
$$\frac{33}{16} : \frac{11}{48} = \frac{33}{16} \cdot \frac{48}{11} = \frac{33 \cdot 48}{16 \cdot 11} = \frac{3 \cdot 3}{1 \cdot 1} = 9$$
Ответ: 9