Question

Mary picked 1/2 bucket of plum and Fred picked2/3 buckets of plum how much more of a bucket did fred pick

Answer 1

$\stackrel{Fred}{\cfrac{\underline{2}}{3}}~~ - ~~\stackrel{Mary}{\cfrac{1}{2}}\implies \cfrac{(2)\underline{2}~~ - ~~(3)1}{\underset{\textit{using this LCD}}{6}}\implies \cfrac{4-3}{6}\implies \cfrac{1}{6}$