Question 177838
are you trying to change this from a mixed number to an improper fraction. It is not real clear what you want. 
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If you start with -29 and 1/3 written as -29 1/3 you take the integer and multiply it by the denominator and then add the numerator all over the denominator
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so 29(3)+1=88 and since this is negative we end up with -88/3
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another way to do this is to write 29  as an improper fraction with 3 as the denominator so that we have like terms and so we can add 1/3 to it
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so 29*3=87...so 29=87/3 then we add 1/3 to it to get 88/3 and since this is negative we end with -88/3.
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If you multiply this by 3 as you say you would have (-88/3)(3)=-88