# What is the least common multiple of 6 and 9?

##### 2 Answers

#### Explanation:

Go up in multiples of either

for

and find the earliest or lowest number that occurs in both, which is

The least common multiple (LCM) of

#### Explanation:

I always take the first 5 multiples of each number and write them down. And if we don't our LCM in there, then I write down the next five multiples! So let's start, shall we?

**(First 5) Multiples of #6#**:

**(First 5) Multiples of #9#**:

Now, we have to see if there is any common number in the numbers. If we do, we have to make sure that there isn't any other number *lower* than that that

**(First 5) Multiples of #6#**:

**(First 5) Multiples of #9#**:

There isn't any number before *both* go into, so

Source: My knowledge!

I hope that helps you!