Convert mixed number to fraction.
$$\dfrac{ 70 }{ 100 }$$ .Simplify $ \dfrac{ 70 }{ 100 } $ by dividing both 70 and 100 by their GCD, which is 10. GCD(70, 100) = 10.
$$ \frac{ 70 }{ 100 } = \frac{ 70 : \color{blue}{ 10 } }{ 100 : \color{blue}{ 10 } } = \frac{ 7 }{ 10 } $$