The multiples of 10 are: 1, 2, 5, 10 The multiples of 5 are: 1 and 5. The multiples of 6 are: 1, 2, 3, and 6. The multiples of 8 are: 1, 2, 4, and 8. The number that they all have in common is 1, so the lcd is one.
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24
2
LCD(6, 8) = 24
Prime factor each number. Use each prime the most it was used in any one number. 5=5 6=2x3 8=2x2x2 12=2x2x3 2x2x2x3x5=120
The LCD of 3,4,6 and 8 is: 24