How do you get the LCM of 14 and 20?

Answer 1

That's two problems. Let x = one of the numbers. x + 4 is the other one.

2x + 4 = 20

2x = 16

x = 8

x + 4 = 12

8 + 12 = 20

The LCM of 8 and 12 is 24.

Answer 2

Factor them.

2 x 7 = 14

2 x 2 x 5 = 20

Combine the factors, eliminating duplicates.

2 x 2 x 5 x 7 = 140, the LCM

Answer 3

It is: 120 by multiplying together their highest prime factors

Answer 4

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