Question

mmc
a(21,30)
b(28,48)
c(10,12,45)
d(100,200,300)
e(6,8,12,15)

Answer 1

a)21,30|2
21,15|3
7,5|5
7,1|7
1,1|

2x3x5x7=210







b)28,48|2
14,24|2
7,12|2
7,6|2
7,3|3
7,1|7
1,1|


2x2x2x2x3x7=336






c)10.12.45|2
5,6,45|2
5,3,45|3
5,1,15|3
5,1,5|5
1,1,1|


2x 2x 3x 3 x5 =180





d)100,200,300|2
50,100,150|2
25,50,75|2
25,25,75|3
25,25,25|5
5,5,5|5
1,1,1|


2x2x2x3x5x5=600




e)6,8,12,15|2
3,4,6,15|2
3,2,3,15|2
3,1,3,15|3
1,1,1,5|5
1,1,1,1|


2x2x2x3x5=120

Answer 2

A)
21,30/2
21,15/3
7,5/5
7,1/7
1,1          2x3x5x7= 210

B)
28,48/2
14,28/2
7,14/2
7,7/7
1,1          2x2x2x7= 56

C)
10,12,45/2
5,6,45/2
5,3,45/3
5,1,15/3
5,1,5/5
1,1,1          2x2x3x3x5= 180

D)
100,200,300/2
50,100,150/2
25,50,75/2
25,25,75/3
25,25,25/5
5,5,5/5
1,1,1               2x2x2x3x5x5= 600

E)
6,8,12,15/2
3,4,6,15/2
3,2,3,15/2
3,1,3,15/3
1,1,1,5/5
1,1,1,1        2x2x2x3x5= 120