Question

mmc ( 18,42) mmc ( 25,65) mmc ( 48,12) mmc ( 8,36 ) mmc ( 15,27) mmc ( 9,15,6)

Answer 1

18,42 = 126
25,65 = 325
48,12 = 48
8,36 = 72
15,27 = 135
9,15,6 = 90

Answer 2

18, 42 | 2

9, 21 | 3

3, 7 | 3

1, 7 | 7

1, 1 | 1

MMC = 2 . 3 . 3 . 7 = 126

25, 65 | 5

5, 13 | 5

1, 13 | 13

1, 1 | 1

MMC = 5 . 5 . 13 = 325

48, 12 | 2

24, 6 | 2

12, 3 | 2

6, 3 | 2

3, 3 | 3

1, 1 | 1

MMC = 2 . 2 . 2 . 2 . 3 = 48

8, 36 | 2

4, 18 | 2

2, 9 | 2

1, 9 | 3

1, 3 | 3

1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 3 = 72

15, 27 | 3

5, 9 | 3

5, 3 | 3

5, 1 | 5

1, 1 | 1

MMC = 3 . 3 . 3 . 5 = 135

9, 15, 6 | 2

9, 15, 3 | 3

3, 5, 1 | 3

1, 5, 1 | 5

1, 1, 1 | 1

MMC = 2 . 3 . 3 . 5 = 90