Video: Solving Word Problems by Finding the Lowest Common Multiple of Two 1-Digit Numbers

David is printing green and yellow stickers. He noticed that a page can fit 6 green stickers or 8 yellow ones. If he wants to print the exact same number of green and yellow stickers, what is the least number of green stickers he could print?

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Video Transcript

David is printing green and yellow stickers. He noticed that a page can fit six green stickers or eight yellow ones. If he wants to print the exact same number of green and yellow stickers, what is the least number of green stickers he could print?

We are told that one page can fit six green stickers. A page can also fit eight yellow stickers. As David wants to print the same number of green and yellow stickers, we need to find the LCM or least common multiple of six and eight. The LCM is the smallest positive integer that is a multiple of two or more numbers.

We can find this by writing a list of the six and eight times table. The multiples of six are six, 12, 18, 24, and so on. The multiples of eight are eight, 16, 24, 32, and so on. The smallest number that appears in both lists is 24. This means that the least common multiple of six and eight is 24. We can therefore conclude that this is the least number of green stickers David could print.

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