Simplifying this complex fraction

I've done all the problems in my homework but this one, I don't even find the process difficult but something about this one is eluding me, I can't make my answer match up with the book's no matter how I work it out. Can anyone lend a hand please? :)

Re: Simplifying this complex fraction

Simplification gives you :

Re: Simplifying this complex fraction

I would start by multiplying by

Re: Simplifying this complex fraction

Thanks guys! Really appreciate the help. I see where I was going wrong now.