## Prealgebra (7th Edition)

$\frac{13x}{30}$
Convert to like fractions and add the numerators. $\frac{2x}{15}+\frac{3x}{10}$ =$\frac{2x\times2}{15\times2}+\frac{3x\times3}{10\times3}$ =$\frac{4x}{30}+\frac{9x}{30}$ =$\frac{13x}{30}$