Let us first convert [tex]2\frac{1}{2}[/tex] and [tex]4\frac{3}{4}[/tex] into an improper fraction
To find how many [tex]\frac{3}{4}[/tex] are in these numbers, we must divide these numbers by [tex]\frac{3}{4}[/tex]
There are [tex]\frac{10}{3}[/tex] three-quarters in [tex]2 \frac{1}{2}[/tex]
There are [tex]\frac{19}{3}[/tex] three-quarters in [tex]4 \frac{3}{4}[/tex]
Hope that helps!