For converting 0.33 as a fraction, you must follow three steps: Write a given number in the form of a simple fraction ie. 0.33/1.
Multiply both numerator and denominator by 10 for every number after the decimal point ie. 0.33100/1100 that gives 33/100.
Reduce the obtained fraction by dividing it by its multiples or common factor. As 33/100 cannot be reduced further so the value of 0.33 in fraction is 33/100.

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