Convert mixed number to fraction.
$$\dfrac{ 290 }{ 138 }$$ .Simplify $ \dfrac{ 290 }{ 138 } $ by dividing both 290 and 138 by their GCD, which is 2. GCD(290, 138) = 2.
$$ \frac{ 290 }{ 138 } = \frac{ 290 : \color{blue}{ 2 } }{ 138 : \color{blue}{ 2 } } = \frac{ 145 }{ 69 } $$