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Earn +20 ptsQ: Why do fractions need a common denamator when substrating them?
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How do you get the common denominator for dividing fractions?
You don't need a common denominator to divide fractions.
Do you need common denominators when subtracting fractions?
Yes. You need common denominators if you want to:Add fractionsSubtract fractionsCompare fractions ("which is larger?")You do not need common denominators to multiply or divide fractions. Thus, in the case of fractions, multiplication and division is actually easier than addition and subtraction.
Do you need a common denominator for dividing fractions?
No only when adding or subtracting fractions a common denominator is needed
Do you need a common denominator multiplying fractions?
No.
Does division need a common denominator?
No, You only need a common denominator when adding or subtracting fractions.
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