Convert mixed number to fraction.
$$\dfrac{ 18 }{ 36 }$$ .Simplify $ \dfrac{ 18 }{ 36 } $ by dividing both 18 and 36 by their GCD, which is 18. GCD(18, 36) = 18.
$$ \frac{ 18 }{ 36 } = \frac{ 18 : \color{blue}{ 18 } }{ 36 : \color{blue}{ 18 } } = \frac{ 1 }{ 2 } $$