Question

Write the first two common multiples of:
(a) 10 and 30 (b) 8 and 12 (c) 7 and 14​

Answer 1

Answer:

a) 1,2,5 and 10 b) 1,2,4 c) 1,7

Step-by-step explanation:

a) factors of 10: 1,2,5,10

   factors of 30: 1,2,3,5,6,10,15,30

    common factors: 1,2,5 and 10

b) factors of 8: 1,2,4,8

   factors of 12: 1,2,3,4,6,12

   common factors: 1,2,4

c) factors of 7: 1 and 7

   factors of 14: 1,2,7,14

    common factors: 1 and 7

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Answer 2

Answer:

Step-by-step explanation:

1. 10 and 30

10 = 1,2,5,10

30 = 1,2,3,5,6,10,15,30

common multiple = 1,2,5,10

first two common multiples are 1,2

2. 8 and 12

8 = 1,2,4,8

12 = 1,2,3,4,6,12

common multiple = 1,2,4

first two common multiples are 1,2

3. 7 and 14

7 = 1,7

14 = 1,2,7,14

common multiple = 1,7

first two common multiples are 1,7

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