Hi there!
quarter:18
1.Find common denominator in 4 and 1/2:
[tex]4=\frac{1}{4}[/tex]
[tex]\frac{1}{2}=\frac{2}{4}[/tex]
2.Convert 4 2/4 into mixed number:
[tex]4\frac{2}{4}=\frac{18}{4}[/tex]
3.Divide 18/4 by 1/4:
[tex]\frac{18}{4}*\frac{1}{4}=18[/tex]
Therefore, there is 18 quarters in 4 1/2.