The LCM is 3.
Because the least common multiple of 45 and 30 is 3.
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Answer:
90
Step-by-step explanation:
45/3 = 15
15/3 = 5
5/5 = 1
45 = 3^3 * 5
30/2 = 15
30 = 2 * 3 * 5
To find the LCM, you need the product of the factors that are common and not common with greater exponent.
2 is not common. Use it.
3 is plain 3 in 30 but 3^2 in 45, so use 3^2.
5 is common, so use 5.
LCM = 2 * 3^2 * 5 = 90
Answer: what missing exponent?
