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Kisachek [45]
3 years ago
11

What's the LCM to 45 and 30

Mathematics
2 answers:
victus00 [196]3 years ago
6 0

The LCM is 3.

Because the least common multiple of 45 and 30 is 3.


Hope this helped and plz mark as brainliest!


worty [1.4K]3 years ago
3 0

Answer:

90

Step-by-step explanation:

45/3 = 15

15/3 = 5

5/5 = 1

45 = 3^3 * 5

30/2 = 15

15/3 = 5

5/5 = 1

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

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