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To find the LCM of 110 and 20, you first need to break them up into their prime factors:

110 = 2x5x11

20 = 2x2x5

The next step is to identify the HCF. In this case the HCF will be 2x5 = 10. To find the LCM you multiply the numbers together and divide by the HCF:

110x20/10 = 220.

Thus the LCM of 110 and 20 is 220.

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13y ago

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