Math, asked by Parwinder8476, 7 months ago

Find the lcm of 12 15 21 by using fendamental theory of arthmatics

Answers

Answered by Anita456

Answer:

Step-by-step explanation:

times 2 times 3 but notice how it is in all three numbers so it will just be times 3 times 5 times 7 2 times 2 is 4 4 times 3 is 12 12 times 5 is 60. and 60 times 7 is 420 so the LCM of 12 15 21 is 420

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