[EFraction NormalFrac (ENumber "4") (EGrouped [ENumber "2",ESymbol Bin "+",EFraction NormalFrac (ENumber "3") (EGrouped [ENumber "1",ESymbol Bin "+",EFraction NormalFrac (ENumber "1") (ENumber "2")])]),ESymbol Rel "=",EFraction NormalFrac (EGrouped [ENumber "1",ESymbol Bin "+",EFraction NormalFrac (ENumber "9") (EGrouped [ENumber "2",ESymbol Bin "+",EFraction NormalFrac (ENumber "1") (ENumber "4")])]) (ENumber "5")]