is simply the difference of both numbers of course, the price it was sold minus the price it was bought at.
[tex]\bf \cfrac{133}{4}-12\implies \cfrac{133}{4}-\cfrac{12}{1}\implies \stackrel{\textit{our LCD will be 4}}{\cfrac{(1)133-(4)12}{4}}\implies \cfrac{133-48}{4}\implies \cfrac{85}{4}[/tex]
