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Use the L.C.M. to find the other common multiples of two numbers

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Question 1

The L.C.M. of 10 and 25 is 50. What is their 3rd common multiple?

The L.C.M. of 10 and 25 is 50. What is their 3rd common multiple?
Question 2

The L.C.M. of 21 and 35 is 105. What is their 4th common multiple?

The L.C.M. of 21 and 35 is 105. What is their 4th common multiple?
Question 3

The L.C.M. of 28 and 35 is 140. What is their 3rd common multiple?

The L.C.M. of 28 and 35 is 140. What is their 3rd common multiple?

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