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Mathematics 9 Online
OpenStudy (anonymous):

when comparing 23/42 to 1/2 using mental math, what fraction is useful? 23/2 23/21 21/42 23/46

OpenStudy (anonymous):

21/42 because it is equivalent to 1/2. Since it has the same common denominator as 23/42, you can see that 23/42 is greater than 1/2.

OpenStudy (anonymous):

thanks. (:

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