To add or subtract expressions, expand them to make their denominators the same. Least common multiple of $4$ and $6$ is $12$. Multiply $\frac{x+2}{4}$ times $\frac{3}{3}$. Multiply $\frac{5x+4}{6}$ times $\frac{2}{2}$.
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of $4$ and $6$ is $12$. Multiply $\frac{x+2}{4}$ times $\frac{3}{3}$. Multiply $\frac{5x+4}{6}$ times $\frac{2}{2}$.
