Question

Find the LCM of the following numbers:

a. 8, 20

b. 6, 15​

Answer 1

LCM of 8 and 20

8 - 2 x 2 x 2

20 - 2 x 2 x 5

L. C. M - 2 x 2 x 2 x 5

- 40 is answer*

LCM of 6 and 15

6 - 2 x 3

15 - 3 x 5

L. C. M - 2 x 3 x 5

- 30 is answer*

Answer 2

Hey mate! here is your answer

(a.) 8,20

= 2 | 8, 20

= 2 | 4, 10

= 2 | 2, 5

LCM = 2×2×2×2×5 = 80 answer.

(b.) 6, 15

= 3 | 6, 15

= 3 | 2, 5

LCM = 3×3×2×5 = 90 answer.

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