<<< mml $$\frac{1}{2\pi }=\frac{\stackrel{\phantom{0}}{1}}{2\pi }$$ >>> native [ EFraction NormalFrac (ENumber "1") (EGrouped [ ENumber "2" , EIdentifier "\960" ]) , ESymbol Rel "=" , EFraction NormalFrac (EOver False (ENumber "1") (EPhantom (ENumber "0"))) (EGrouped [ ENumber "2" , EIdentifier "\960" ]) ]