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The common factor is 3. (105 = 35 x 3, 12 = 4 x 3).

The least common denominator is 420.

105 = 3 x 5 x 7

12 = 22 x 3

Highest exponents method: 22 x 31 x 51 x 71 = 420

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βˆ™ 2012-12-01 18:30:37
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Q: What is the common denominator of 105 and 12?
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