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Add and Subtract Mixed Numbers with Regrouping
Worksheet
Grade Level
Grade 5
5.55 Add and Subtract Mixed Numbers with Regrouping
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🔴 Hard
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Noah solved 9 1/6 − 6 1/5 and got 3 29/30. Which statement corrects the error?
A
Regroup the first mixed number with denominator 30; the correct simplified answer is 2 29/30.
B
Keep the answer 3 29/30 because only the whole numbers need to be checked.
C
Add or subtract the denominators first, then simplify the whole-number part.
D
Change only the second fraction to denominator 30 and leave the first fraction unchanged.
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