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