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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?

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

User AniketGM
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7.6k points

1 Answer

2 votes

Answer:

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

I hope this helps!

User Adrian Merrall
by
7.9k points
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