Convert mixed number to fraction.
$$\dfrac{ 20160 }{ 665280 }$$ .Simplify $ \dfrac{ 20160 }{ 665280 } $ by dividing both 20160 and 665280 by their GCD, which is 20160. GCD(20160, 665280) = 20160.
$$ \frac{ 20160 }{ 665280 } = \frac{ 20160 : \color{blue}{ 20160 } }{ 665280 : \color{blue}{ 20160 } } = \frac{ 1 }{ 33 } $$