Select all pairs of numbers that have a least common multiple of 18. A. 2 and 6 B. 3 and 6 C. 2 and 9 D. 6 and 9

Question

Moriah Whitney

Mathematics

13 May, 10:15

Select all pairs of numbers that have a least common multiple of 18. A. 2 and 6 B. 3 and 6 C. 2 and 9 D. 6 and 9

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Makhi York · Answer 1

IN this question we have to find all the pairs out of the four given options, whose least common multiple is 18.

The first pair is 2 and 6, and for this pair, the common multiple is 6.

For the second pair 3 and 6, whose common multiple is 6.

For the third pair 2 and 9, the common multiple is the product of them, that is 2 times 9 which is 18.

For the last pair, which is 6 and 9, the least common multiple is 18.

So the correct options are C and D.