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aleksandrvk [35]
2 years ago
8

GIVING ALL MY POINTS! GIVING BRAINLIEST! I have a plagiarism checker-

Mathematics
1 answer:
koban [17]2 years ago
5 0
The reason fractions need a common denominator before adding or subtracting is so that the numbers of pieces you are adding/subtracting are all the same size. Note that the numerator of a fraction just tells you how many pieces you have of that size.
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