Faction? I think you mean Fraction! :-)
The answer is obviously anything <2/5, which isalso expressible as <0.4 or <40%.
An odd question: it's hard to seeits point.
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3/8 is LESS than 1/2.
Less1/3 is less than 2/3.
4 fractions that are less than 2 over 3 are 2 over 4, 2 over 100, 2over 100, 2 over 20, and 2 over 5
x > 2
2 over 8