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What is the least common multiple of $9$ and $4$ ? $\newline$ _____

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Least common multiple

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Q. What is the least common multiple of

9

and

4

?

\newline

_____

List Multiples of $9$ : List the multiples of $9$ . $\newline$ Start with $9$ and keep adding $9$ to find more multiples. $\newline$ Multiples of $9$ : $9, 18, 27, 36, 45, 54, 63, 72, 81, 90, \ldots$
List Multiples of $4$ : List the multiples of $4$ . $\newline$ Start with $4$ and keep adding $4$ to find more multiples. $\newline$ Multiples of $4$ : $4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, \ldots$
Identify Common Multiple: Identify the smallest common multiple. $\newline$ From the lists above, the first common multiple of $9$ and $4$ is $36$ .

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