Find the LCM of Denominators: 9 and 6 Problem

Question

You have a pair of denominators, what is their least common multiple?

$\boxed 9~~~\boxed 6$

Step-by-Step Solution

To find the least common multiple (LCM) of $9$ and $6$ , list the multiples of each number until the smallest common multiple appears.

Multiples of $9$ : $9, 18, 27, 36, \ldots$

Multiples of $6$ : $6, 12, 18, 24, 30, \ldots$

The smallest common multiple is $18$ .

Answer

18

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