1) \(\frac{23}{24}-\frac{5}{6}=\frac{23}{24}-\frac{5 \cdot 4}{6 \cdot 4}=\frac{23}{24}-\frac{20}{24}=\frac{3}{24}\)
2) 48 \(\cdot \frac{3}{24} = \frac{48 \cdot 3}{24} = \frac{144}{24} = 6\)
Ответ: 6