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4 and 1 half as a mixed fraction is simply 4 and 1/2. As an improper fraction, it is 9/2. To do that, take 4/1 and raise its denominator to the same as that in 1/2, by multiplying by 2, giving you 8/2. Then add 1/2 to 8/2, giving you 9/2.

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Q: How can you convert 4 and 1 half to fraction form?
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