Answers

2015-05-18T22:29:54+05:30
LCM of 12,16,20 is 240 12,16,20 is first divided by 2. After that we get 6,8,10.once again it is divided by 2 and we get 3,4,5. At last we must multiply 2×2×3×4×5 That gives 240 as answer
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2015-05-18T22:31:37+05:30
12=4x3
16=4x4
20=4x5

4 common in all
therefore 4 is LCM of 12,16,20

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