I've never found Venn diagrams all that useful. To draw one successfully, you already have to know the answer. But here goes... Example: 30 and 42
30, 60, 90, 120, 150, 180, 210
42, 84, 126, 168, 210
These are lists of multiples of 30 and 42 respectively, that would be placed in two circles. The number 210 would be placed in the center where they intersect.
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Oh, dude, the LCM of 12 and 15 using a Venn diagram? That's like trying to use a spoon to eat soup, it just doesn't quite fit. But hey, if you really wanna know, the LCM of 12 and 15 is 60. Just think of it as the magical number where 12 and 15 finally decide to hold hands and skip down the number line together.
That's a bit of unnecessary work. The LCM of 3 and 6 is 6, because 6 is a multiple of 3.
42 126 ^ ^ 7x6 14x9 ^ 3x2 ^ ^ 7x2 3x3 7x3x2=LCM is 42
The Least Common Multiple (LCM) for 486 162 300 is 24,300.
it is fast and easy