Simplify this expression

Answer:
[tex]\frac{1}{2} + \frac{g}{2h}[/tex]
another equivalent form would be the following:
[tex]\frac{g}{2(g+h)}[/tex]
Step-by-step explanation:
[tex]\frac{4g}{8(g+h)}=\frac{g}{2(g+h)} = \frac{g}{2g+2h} = \frac{1}{2} + \frac{g}{2h}[/tex]