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Asked by TONY

Is the sum of two mixed numbers always a mixed numbers? Why or why not?
10 years ago

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Answered by Reiny
true if both are positve, or if both are negative.

depends if one is + , the other -

e.g 8/5 - 9/7 = 11/35

but 15/4 - 3/2 = 9/4 , still a mixed number
10 years ago

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