<<< native [ EFraction NormalFrac (EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ])) (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) , EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) , EFraction NormalFrac (EFraction NormalFrac (ENumber "1") (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ])) (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]) ] >>> eqn {1 over {y + 3}} over {y + 3} 1 over {y + 3} {1 over {y + 3}} over {y + 3}