Find the LCM: Calculating Least Common Multiple of 10 and 15

Question

What is the least common multiple of these two numbers?

$\boxed{10}~~~\boxed{15}$

Step-by-Step Solution

To find the least common multiple (LCM) of $10$ and $15$ , we list the multiples of each number:

Multiples of $10$ are $10, 20, 30, 40, \ldots$
Multiples of $15$ are $15, 30, 45, \ldots$

The smallest common multiple is $30$ .

Answer

30

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Common Denominators: One of the denominators is the common denominator