# What is 1/3 +1/9 + 1/3 equal in simplest form?

$\frac{1}{3} + \frac{1}{9} + \frac{1}{3} \implies$
$\left(\frac{3}{3} \times \frac{1}{3}\right) + \frac{1}{9} + \left(\frac{3}{3} \times \frac{1}{3}\right) \implies$
$\frac{3}{9} + \frac{1}{9} + \frac{3}{9} \implies$
$\frac{3 + 1 + 3}{9} \implies$
$\frac{7}{9}$