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Earn +20 ptsQ: Do you need a common demonaitor when you are adding fractions?
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Do you need common denominator when adding fractions?
Yes.
Do you need a common denominator for dividing fractions?
No only when adding or subtracting fractions a common denominator is needed
Does division need a common denominator?
No, You only need a common denominator when adding or subtracting fractions.
When adding fractions with unlike denominators it is most helpful if the fractions are renamed using the?
If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To do this, you need to find the least common multiple (LCM) of the two denominators. To add fractions with unlike denominators, rename the fractions with a common denominator.
Why do fractions need to have a common denominator before subtracting or adding?
Because if there's no common denominator it'll be hard to simplify. And will cause you to get a headache.
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