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Earn +20 ptsQ: Do you have to have common denominators when you multiply decimals?
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Continue Learning about Math & Arithmetic
How do you compare fractions without common denominators?
Make them into decimals. Make them into decimals.
How do you write fractions with common denominators?
multiply the denominators
How can you get a dcommon denominator?
You can multiply the two denominators, or you can find the least common multiple for the two denominators.
How do you find a common denominator if the 3 denominators have nothing in common?
Multiply them together.
What is a quick common denominator?
When you're adding or subtracting fractions with different denominators, if you multiply the denominators that's your Quick Common Denominator. I'ts useful for denominators that don't have a low Least Common Factor.
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