[tex] \frac{1}{3} = \frac{2}{6} \\ \frac{1}{6} = \frac{1}{6} \\ lcd = 6[/tex]
[tex] \frac{ 2}{4} = \frac{4}{8} \\ \frac{3}{8} = \frac{3}{8} \\ lcd = 8[/tex]
[tex] \frac{3}{4} = \frac{9}{12} \\ \frac{1}{3} = \frac{4}{12} \\ lcd = 12[/tex]
[tex] \frac{4}{5} = \frac{16}{20} \\ \frac{1}{4} = \frac{5}{20} \\ lcd = 20[/tex]
