<<< native [ EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) , EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) , EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) , EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) ] >>> mml $$\frac{1}{y+3}\frac{1}{y+3}\frac{1}{y+3}\frac{1}{y+3}$$