Convert mixed number to fraction.
$$\dfrac{ 18 }{ 56 }$$ .Simplify $ \dfrac{ 18 }{ 56 } $ by dividing both 18 and 56 by their GCD, which is 2. GCD(18, 56) = 2.
$$ \frac{ 18 }{ 56 } = \frac{ 18 : \color{blue}{ 2 } }{ 56 : \color{blue}{ 2 } } = \frac{ 9 }{ 28 } $$