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Which of the given fractions is NOT equal to 1/3? a.) 100/300 b.) 10/30
c.) 3/10 d.) 2/6?

try dividing out the common factor:

100/300 = 1*100/3*100 = 1/3 * 100/100 = 1/3

and so on. You will find one of the fractions has no common factor to use.

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