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02-11-2020
Mathematics

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Which fractions have a LCD of 45? A.2/3,1/6,1/5 B.2/3,1/9,1/15 C. 2/15,1/5,1/3 D. 2/27,1/7,1/3

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02-11-2020

Answer: Choice B) 2/3, 1/9, 1/15

Explanation:

Choice A is not true since the denominator 6 is not a factor of 45.
Choice B is true because denominators 3, 9, and 15 are factors of 45. Also, the LCM of 3, 9 and 15 is 45.
Choice C is not true because the LCD here is 15.
Choice D is not true because 27 is not a factor of 45.

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