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Find the difference between the lcm of • 21, 28 and 42 and 7,2 and 3 ​

User Raphomet
by
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1 Answer

1 vote

Answer:

42.

Explanation:

21 = 3*7

28 = 2*2*7

42 = 2*3*7

So the LCM of these 3 numbers = 2*2*3*7 = 84.

LCM of 2, 3 and 7

= 2*3*7 = 42.

So the difference is 84-42

= 42.

User Hasson
by
8.5k points

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