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1 vote
Which fraction is not in simplest form? Explain.
: 9/21 , 7/18, 3/25, 12/31

2 Answers

3 votes
9/21 because it can still be reduced to 3/7

answered
User Erkfel
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4 votes
9/21. You can take 3 out of the numerator and denominator.

answered
User Amunnelly
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