Convert mixed number to fraction.
$$\dfrac{ 3 }{ 9 }$$ .Simplify $ \dfrac{ 3 }{ 9 } $ by dividing both 3 and 9 by their GCD, which is 3. GCD(3, 9) = 3.
$$ \frac{ 3 }{ 9 } = \frac{ 3 : \color{blue}{ 3 } }{ 9 : \color{blue}{ 3 } } = \frac{ 1 }{ 3 } $$