Question 766483
this is a mixed number question into a proper fraction 
3 1/2- 1 7/8
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(2*3+1)/2 - (8*1+7)/8
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7/2 - 15/8
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28/8 - 15/8
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= 13/8
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That is an improper fraction because the numerator is larger than 
the denominator.
=  1 5/8
That is a mixed number.
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Cheers,
Stan H.