Answer :
The easiest way to solve this problem is to solve the quotients and convert all fractions to decimal numbers, that way we can make an easier comparison:
[tex]\begin{gathered} \frac{4}{5}=0.8 \\ \frac{15}{2}=7.5 \\ \frac{9}{4}=2.25 \\ \frac{12}{3}=4 \end{gathered}[/tex]According to this the greater of the given numbers is 15/2.