Question

find the L. C. M of 15,30 and 45​

Answer 1

Answer:

LCM = 3×3×5×4 = 90

Step-by-step explanation:

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Answer 2

Answer:

LCM = 90

Step-by-step explanation:

LCM of 15, 30, 45

1st way

3 |15,30,45

5 |5,10,15

1,2,3

multiply = 3×5×1×2×3

= 90

2nd way

15 = 3×5

30 = 2×3×5

45 = 3×3×5

3 and 5 is common in all, and 3 and 2 is not common, so LCM =

3×5×3×2 =

90

hope it helps.