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Common Multiples and Least Common Multiple
- 1. Common Multiples andLeast Common Multiple Mrs. Young EMC 1
- 2. Product The answerto a multiplication problem. 6 X 6 = 36
- 3. What is theproduct? 7 X 8 = 56
- 4. What is theproduct? 8 X 9 = 72
- 5. Multiple The productof a whole number multiplied times any other whole number. Some multiples of 6 6, 12, 18, 24, 30, 36, 42
- 6. Name some multiplesof 5 5, 10, 15, 20, 25, 30, 35
- 7. Name some multiplesof 7 7, 14, 21, 28, 35, 42, 49
- 8. Name some multiplesof 4 4, 8, 12, 16, 20, 24, 28
- 9. Name some multiplesof 9 9, 18, 27, 36, 45, 54, 63
- 10. Common Multiple Anumber that is a multiple of two or more numbers.
- 11. Find the leastcommon multiple of 3 and 6 Step 1: List the multiples of both numbers (only list the first 8). 3: 3, 6, 9, 12, 15, 18, 21, 24 6: 6, 12, 18, 24, 30, 36, 42, 48
- 12. Step 2: Circlethe common multiples 3: 3, 6, 9, 12, 15, 18, 21, 24 6: 6, 12, 18, 24, 30, 36, 42, 48
- 13. Step 3: Findthe least common multiple (LCM) The least common multiple is the multiple that has the least value but is common between the two numbers. 3: 3, 6 , 9, 12 , 15, 18 , 21, 24 6: 6 , 12 , 18 , 24 , 30, 36, 42, 48 So, the least common multiple (LCM) is 6. Note that there is only ONE least common multiple, but there may be more than one common multiple.
- 14. Find the leastcommon multiple of 9 and 12 Step 1: List the multiples of both numbers (only list the first 8) 9: 9, 18, 27, 36, 45, 54, 63, 72 12: 12, 24, 36, 48, 60, 72, 84, 96
- 15. Step 2: Circlethe common multiples 9: 9, 18, 27, 36, 45, 54, 63, 72 12: 12, 24, 36, 48, 60, 72, 84, 96
- 16. Step 3: Find the least common multiple (LCM) The least common multiple is the multiple that has the least value but is common between the two numbers. 9: 9, 18, 27, 36 , 45, 54, 63, 72 12: 12, 24, 36 , 48, 60, 72 , 84, 96 So, the least common multiple (LCM) is 36. Note that there is only ONE least common multiple, but there may be more than one common multiple.
- 17. Find the leastcommon multiple of 4 and 6 Step 1: List the multiples of both numbers (only list the first 8) 4: 4, 8, 12, 16, 20, 24, 28, 32 6: 6, 12, 18, 24, 30, 36, 42, 48
- 18. Step 2: Circlethe common multiples 4: 4, 8, 12, 16, 20, 24, 28, 32 6: 6, 12, 18, 24, 30, 36, 42, 48
- 19. Step 3: Findthe least common multiple (LCM) The least common multiple is the multiple that has the least value but is common between the two numbers. 4: 4, 8, 12 , 16, 20, 24 , 28, 32 6: 6, 12 , 18, 24 , 30, 36, 42, 48 So, the least common multiple (LCM) is 12. Note that there is only ONE least common multiple, but there may be more than one common multiple.