Creating fractions and other equations in microsoft word

Now I'm looking at the equations with fear and dread. after the usual mourning period associated with such events, let's say I value my job (more specifically, the bread it provides) enough to get all the text and tables formatted and references organised into the Word document.

Now, let's say some barbarians come along one day and decide that the document has to be put into Microsoft Word (2007). Let's say I have a (comparatively) lovely-looking document in LaTeX, full of lovingly typeset, (relatively) complex equations.