"It's 55 parts fructose to 42 parts glucose in HFCS-55. 56/42 = 4/3.(Hint: it's multiples of 14.) That's means fructose is almost one third more than glucose in HFCS-55."It's 55 parts fructose to 45 parts glucose. That's 22% more fructose, but only 10% more than occurs in sucrose(std/ sugar).