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The least common multiple of 45 and 90 is 90, so you can leave 45 out of the calculations entirely. 40 = 4 x 10; 90 = 9 x 10. Thus, the LCM of 40 and 90 is 4 x 9 x 10 = 360.
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∙ 10y agoThis answer is:
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Wiki User
∙ 8y agoThe LCM is 360.
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