To convert 0.33 to a fraction you would have to use approximation, approximating the recurring decimal obtained when 1 is divided by 3 gives 0.33. This is what makes 0.33 approximately equal to 1/3 though the exact result is 33/100.
Answer: .3 as a fraction is 3/10
3/10 and .3 as a percent is 30%
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