<<< 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" ]) ] >>> eqn 1 over {y + 3} 1 over {y + 3} 1 over {y + 3} 1 over {y + 3}