Wednesday, November 7, 2012

Maths 4th to 6th class LCM Worksheet

Find Least Common Multiple (LCM).

1)
5 and 15 =
lcm:
2)
3 and 6 =
lcm:
3)
9 and 15 =
lcm:
4)
4 and 12 =
lcm:
5)
4 and 10 =
lcm:
6)
10 and 3 =
lcm:
7)
2 and 10 =
lcm:
8)
12 and 3 =
lcm:
9)
2 and 8 =
lcm:
10)
2 and 20 =
lcm:
11)
10 and 4 =
lcm:
12)
6 and 2 =
lcm:
13)
12 and 3 =
lcm:
14)
12 and 15 =
lcm:
15)
2 and 15 =
lcm:
16)
4 and 12 =
lcm:
17)
10 and 3 =
lcm:
18)
6 and 4 =
lcm:
19)
5 and 4 =
lcm:
20)
7 and 4 =
lcm:


1)
lcm=15
2)
lcm=6
3)
lcm=45
4)
lcm=12
5)
lcm=20
6)
lcm=30
7)
lcm=10
8)
lcm=12
9)
lcm=8
10)
lcm=20
11)
lcm=20
12)
lcm=6
13)
lcm=12
14)
lcm=60
15)
lcm=30
16)
lcm=12
17)
lcm=30
18)
lcm=12
19)
lcm=20
20)
lcm=28

Find Least Common Multiple (LCM) 

1)
10 and 7 =
lcm:
2)
5 and 4 =
lcm:
3)
6 and 12 =
lcm:
4)
12 and 4 =
lcm:
5)
12 and 9 =
lcm:
6)
7 and 4 =
lcm:
7)
20 and 3 =
lcm:
8)
2 and 10 =
lcm:
9)
2 and 4 =
lcm:
10)
2 and 10 =
lcm:
11)
2 and 4 =
lcm:
12)
2 and 4 =
lcm:
13)
4 and 12 =
lcm:
14)
9 and 6 =
lcm:
15)
3 and 10 =
lcm:
16)
4 and 5 =
lcm:
17)
3 and 10 =
lcm:
18)
7 and 5 =
lcm:
19)
3 and 2 =
lcm:
20)
3 and 2 =
lcm:

 Answers
1)
lcm=70A
2)
lcm=20
3)
cm=12
4)
lcm=12
5)
lcm=36
6)
lcm=28
7)
lcm=60
8)
lcm=10
9)
lcm=4
10)
lcm=10
11)
lcm=4
12)
lcm=4
13)
lcm=12
14)
lcm=18
15)
lcm=30
16)
lcm=20
17)
lcm=30
18)
lcm=35
19)
lcm=6
20)
lcm=6
Find Least Common Multiple (LCM) for each number set.

1)
15 and 3 =
lcm:
2)
6 and 3 =
lcm:
3)
3 and 5 =
lcm:
4)
6 and 3 =
lcm:
5)
3 and 15 =
lcm:
6)
20 and 3 =
lcm:
7)
3 and 15 =
lcm:
8)
4 and 2 =
lcm:
9)
3 and 2 =
lcm:
10)
7 and 4 =
lcm:
11)
3 and 4 =
lcm:
12)
2 and 4 =
lcm:
13)
12 and 3 =
lcm:
14)
12 and 8 =
lcm:
15)
15 and 10 =
lcm:
16)
3 and 6 =
lcm:
17)
8 and 6 =
lcm:
18)
9 and 6 =
lcm:
19)
6 and 2 =
lcm:
20)
3 and 6 =
lcm:
21)
15 and 9 =
lcm:
22)
3 and 10 =
lcm:
23)
7 and 10 =
lcm:
24)
3 and 9 =
lcm:
25)
3 and 6 =
lcm:
26)
2 and 3 =
lcm:
27)
15 and 2 =
lcm:
28)
6 and 8 =
lcm:
29)
8 and 12 =
lcm:
30)
4 and 3 =
lcm:
31)
5 and 4 =
lcm:
32)
9 and 6 =
lcm:
33)
6 and 15 =
lcm:
34)
3 and 5 =
lcm:
35)
5 and 10 =
lcm:
36)
12 and 9 =
lcm:
37)
4 and 7 =
lcm:
38)
3 and 4 =
lcm:
39)
10 and 4 =
lcm:
40)
5 and 3 =
lcm:
41)
7 and 3 =
lcm:
42)
5 and 20 =
lcm:
43)
3 and 10 =
lcm:
44)
10 and 5 =
lcm:
45)
7 and 3 =
lcm:
46)
3 and 15 =
lcm:
47)
15 and 10 =
lcm:
48)
4 and 2 =
lcm:
49)
4 and 7 =
lcm:
50)
3 and 10 =
lcm:
51)
3 and 5 =
lcm:
52)
9 and 6 =
lcm:
53)
3 and 10 =
lcm:
54)
4 and 7 =
lcm:
55)
3 and 5 =
lcm:
56)
3 and 4 =
lcm:
57)
2 and 20 =
lcm:
58)
8 and 10 =
lcm:
59)
7 and 3 =
lcm:
60)
5 and 7 =
lcm:

 Answers
1)
lcm=15
2)
lcm=6
3)
lcm=15
4)
lcm=6
5)
lcm=15
6)
lcm=60
7)
lcm=15
8)
lcm=4
9)
lcm=6
10)
lcm=28
11)
lcm=12
12)
lcm=4
13)
lcm=12
14)
lcm=24
15)
lcm=30
16)
lcm=6
17)
lcm=24
18)
lcm=18
19)
lcm=6
20)
lcm=6
21)
lcm=45
22)
lcm=30
23)
lcm=70
24)
lcm=9
25)
lcm=6
26)
lcm=6
27)
lcm=30
28)
lcm=24
29)
lcm=24
30)
lcm=12
31)
lcm=20
32)
lcm=18
33)
lcm=30
34)
lcm=15
35)
lcm=10
36)
lcm=36
37)
lcm=28
38)
lcm=12
39)
lcm=20
40)
lcm=15
41)
lcm=21
42)
lcm=20
43)
lcm=30
44)
lcm=10
45)
lcm=21
46)
lcm=15
47)
lcm=30
48)
lcm=4
49)
lcm=28
50)
lcm=30
51)
lcm=15
52)
lcm=18
53)
lcm=30
54)
lcm=28
55)
lcm=15
56)
lcm=12
57)
lcm=20
58)
lcm=40
59)
lcm=21
60)
lcm=35



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