We are going to have to divide... We have to put 1 as a denominator for 3 because it's a whole. [tex] \frac{1}{2} / \frac{3}{1} [/tex] Cross multiply. [tex]1*1=1[/tex] [tex]3*2=6[/tex] [tex]= \frac{1}{6} [/tex] Each person would get [tex] \frac{1}{6} [/tex] of the original pizza.