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What is the lowest common denominator of 18 and 45?

Updated: 8/19/2019
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11y ago

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The lowest common denominator of any two or more whole numbers, such as 18 and 45, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.

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Q: What is the lowest common denominator of 18 and 45?
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