1. [tex]\frac{2}{3} divided by \frac{1}{4} = 2\frac{2}{3}[/tex]
2. [tex]2\frac{1}{2} + \frac{2}{3} = 3\frac{1}{6}[/tex]
3. [tex]2 \frac{1}{4} + 2\frac{1}{2} = 4\frac{3}{4} or 4.75[/tex]