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Fractional notation for 7.5 is 7 1/2 for mixed numbers or 15/2 for an improper fraction, because 7.5 is 7/1 and 5/10 combined, and 7/1 + 5/10 is 75/10, and this reduces to 7 5/10 which reduces to 7 1/2 for a mixed number (a number and a fraction) and for an improper fraction we skip the step to make the extra amount in the numerator into a number, and 75/10 reduces to 15/2.

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Q: What is the fractional notation for 7.5?
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