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Best Answer

180

Here's how to work it out

20 = 2x2x5

9 = 3x3

6 = 2x3

The answer has to have 2x2x5x3x3 (that includes, 20, 9 and 6) = 180

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Wiki User

9y ago
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Wiki User

6y ago

The LCM of the three numbers is 180

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Wiki User

7y ago

180

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Q: What is the least common multiple of 20 9 and 6?
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