# How do you evaluate 4/9+ 1 7/9?

$1 \frac{7}{9} = 1 + \frac{7}{9} = \frac{9}{9} + \frac{7}{9} = \frac{16}{9}$, and so we have:
$\frac{4}{9} + \frac{16}{9} = \frac{20}{9}$, or if you prefer $\frac{20}{9} = 2 \frac{2}{9}$, both are correct answers