Start by rewriting: [tex]\frac{2}{3}x<1\frac{1}{3}[/tex]
Simplify the RHS to full fraction: [tex]\frac{2}{3}x<\frac{4}{3}[/tex]
Divide both sides by LHS coefficient: [tex]x<\frac{\frac{4}{3}}{\frac{2}{3}}[/tex]
Simplify the division on RHS and get result: [tex]\boxed{x<2}[/tex]
Hope this helps :)