Question

8)calcule letra a )m m c 14,21 b) m m c )15,20 c m m c 3,5 d) m m c 16,8

Answer 1

A) =42
B)=70
C)=15
D)=16

Answer 2

a)Mmc (14,21)
14 21 | 7
2 3 | 2
1 3 | 3
1 1 | 7. 2 .3 = 42
b)mmc (15, 20)
15 20 | 5
3 4 | 2
3 2 | 2
3 1 | 3
1 1 | 5.2.2.3 = 60
c) mmc (3,5)
3 5 | 3
1 5 | 5
1 1 | 5. 2= 10
D)mmc (16,18)
16 18 | 2
8 9 | 3
8 3 | 3
8 1 | 2
4 1 | 2
2 1 | 2
1 1 | 2.2.2.2.3.3= 36. 4 = 144