Question

7.Calcule.
a)mmc(14,21)
b)mmc(7,13)
c)mmc(15,20)
d)mmc(24,60,96)

Answer 1

a) 14, 21 | 2

7, 21 | 3

7, 7 | 7

1, 1 | 1

MMC = 2 . 3 . 7 = 42

b) 7, 13 | 7

1, 13 | 13

1, 1 | 1

MMC = 7 . 13 = 91

c) 15, 20 | 2

15, 10 | 2

15, 5 | 3

5, 5 | 5

1, 1

MMC = 2 . 2 . 3 . 5 = 60

d) 24, 60, 96 | 2

12, 30, 48 | 2

6, 15, 24 | 2

3, 15, 12 | 2

3, 15 , 6 | 2

3, 15, 3 | 3

1, 5 ,1 |5

1, 1, 1| 1

MMC = 2 . 2 . 2 . 2 . 2 . 3 . 5 = 480