Question

find the first two common multiples by listing the multiples [a.] 5 and 15

Answer 1

Answer:

dear friend

Step-by-step explanation:

5-1,5

15-1,3,5

So it is 5

Answer 2

Multiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ………… etc.

Multiples of 5 are: 5, 10, 15, 20, 25, ………… etc.

Therefore, common multiples of 2 and 5 = 10, 20, ………..etc.

[It can easily be seen that each of the common multiples 10, 20, etc., is exactly divisible by both 2 and 5].