Solve for: (2)/(5)+(3)/(8)

Expression: $\frac{ 2 }{ 5 }+\frac{ 3 }{ 8 }$

Write all numerators above the least common denominator $40$

$\frac{ 16+15 }{ 40 }$

Add the numbers

$\begin{align*}&\frac{ 31 }{ 40 } \\&0.775\end{align*}$