Convert mixed number to fraction.
$$\dfrac{ 16 }{ 72 }$$ .Simplify $ \dfrac{ 16 }{ 72 } $ by dividing both 16 and 72 by their GCD, which is 8. GCD(16, 72) = 8.
$$ \frac{ 16 }{ 72 } = \frac{ 16 : \color{blue}{ 8 } }{ 72 : \color{blue}{ 8 } } = \frac{ 2 }{ 9 } $$