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10.5 can be written as 10 1/2 or 21/2. 0.5 is the same is 5/10, which can be simplified to 1/2, making your mixed number answer 10 1/2. You can also write it as 21/2 by multiplying the whole number (10) by the denominator (2) and adding the numerator (1), which will be your new numerator over the same denominator (2).

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10y ago

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