Least Common Multiple (LCM) Study Page
Use the menu below to learn, practice and master finding the LCM of various data sets.
Today's **extension will show you how LCM can find problems in your daily schedules!
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Click this link to return to the Fractions Computation Studies Page.
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| Least Common Multiple |
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The List Method
Use divisor tables to write the multiples!
| 8 |
12 |
16 |
| 16 |
24 |
32 |
| 24 |
36 |
48 |
| 32 |
48 |
64 |
| 40 |
60 |
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48 |
72 |
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| 56 |
84 |
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| 64 |
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| 72 |
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| 80 |
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Prime Factorization
Use the same skill you do for finding GCF!
| 08:
2 * 2
* 2 |
| 12: 3 * 2
* 2 |
| 16: 2
* 2 * 2
* 2 |
| 2 *
2 = 4 (GCF) |
| Now we get
to throw out pairs! |
| 2 *
2 * 2
* 3 * 2 = 48 |
| LCM = 48 |
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