Question:I have had trouble with this for some reason, and I heard that you have to do something with crossing out duplicates and using them only once. I am seriously confused. I.E. here are one of my problems: Find the LCM of 4, 8, & 10.
Answers:
you do this...
4- 8,12,16,20,24,28,32,36,40
8-16,24,32,40,48
10-20.30.40.50
forty (40) would be the least common multiple...you find it by listing the first few multiples of the number and then the first one they have in common would be the least common multiple (lcm)
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