Convert mixed number to fraction.
$$\dfrac{ 12 }{ 18 }$$ .Simplify $ \dfrac{ 12 }{ 18 } $ by dividing both 12 and 18 by their GCD, which is 6. GCD(12, 18) = 6.
$$ \frac{ 12 }{ 18 } = \frac{ 12 : \color{blue}{ 6 } }{ 18 : \color{blue}{ 6 } } = \frac{ 2 }{ 3 } $$