Hey there!
Simplify 1/2
2/5+1/2.
Then, simplify 2/5
[tex] \left[\begin{array}{ccc}\boxed{ \frac{L. \ Multi. \ * L. \ Num}{L.C.M}}= \frac{2*2}{10} \end{array}\right] [/tex]
[tex]\boxed{\boxed{ \frac{2*2+5}{10} = \frac{9}{10}}} \\ \\ 9/10 \ would \ be \ your \ answer![/tex]
I Hope this helps you!