2. By using prime factorisation method, hind the L.C.M. of:
() 6,12 and 18
(ii) 5, 10 and 20
(iv) 16, 24, 32 and 48
(v) 15, 30, 60 and 120.
3. By using common division method, find the LCM of
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Answer:
(I)6,12 and 18 I sovled please mark as brainlest answer
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Answer:
1.. 6=2x3
12=2x2x3
18=2x3x3
LCM=2²x3²=36
2... 5=5x1
10=2x5
20=2x2x5
LCM =2²x5 =20
3... 16=2x2x2x2
24=2x2x2x3
32=2x2x2x2x2
48=2x2x2x2x3
LCM = 2⁴x3 =48
4... 15=3x5
30=2x3x5
60=2x2x3x5
120=2x2x2x3x5
LCM=2³x3x5=120
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I hope it's help for u.
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