Question

$\frac{3}{8} x+ \frac{1}{2} x$

Answer 1

$\frac{3}{8}$x+ $\frac{1}{2}$x

$\frac{6+8}{24}$x=

$\frac{14}{24}$x=

simplificando por 2 

$\frac{7x}{12}$