The expression is given as,
[tex]\frac{3}{12}+\frac{2}{8}[/tex]Resolve the fractions,
[tex]=\frac{3}{4\cdot3}+\frac{2}{4\cdot2}[/tex]Cancel out the common terms,
[tex]=\frac{1}{4}+\frac{1}{4}[/tex]The lowest common multiple (LCM) of the denominators is 4.
A