Convert mixed number to fraction.
$$\dfrac{ 30 }{ 45 }$$ .Simplify $ \dfrac{ 30 }{ 45 } $ by dividing both 30 and 45 by their GCD, which is 15. GCD(30, 45) = 15.
$$ \frac{ 30 }{ 45 } = \frac{ 30 : \color{blue}{ 15 } }{ 45 : \color{blue}{ 15 } } = \frac{ 2 }{ 3 } $$