Convert mixed number to fraction.
$$\dfrac{ 60 }{ 90 }$$ .Simplify $ \dfrac{ 60 }{ 90 } $ by dividing both 60 and 90 by their GCD, which is 30. GCD(60, 90) = 30.
$$ \frac{ 60 }{ 90 } = \frac{ 60 : \color{blue}{ 30 } }{ 90 : \color{blue}{ 30 } } = \frac{ 2 }{ 3 } $$