rascalmath rascalmath

30-10-2020
Mathematics

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A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?

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capsasha2 capsasha2

30-10-2020

Answer:

Never converted -9 1/2 into an improper fraction
Added the two numbers together instead of subtracted

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