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Two common multiples of 3&7 less then 50
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4 votes
Two common multiples of 3&7 less then 50

User Mediarts
by
8.1k points

2 Answers

5 votes
3 = 1 X 3
7 = 1 X. 7

Therefore LCM = 1 X 3 X 7
LCM = 21

If I times 21 by 2 then I should get another multiple

So 21 X 2 = 42

Hence the two multiples of 7 and 3 below 50 are 21 and 42.
User Mdlars
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8.6k points
3 votes
21 and 42 are the common multiples ...
User Sorean
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7.8k points
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