Question

lcm of 20,30,40 by division method​

Answer 1

Answer:

lcm of 20,30,40

5|20,30,4

2|4 ,6 ,8

2|2 ,3. ,4

3|1 , 3 ,2

2|1 , 1 ,2

|1 , 1 , 1

5×2×2×3×2

= 120

LCM =120

Answer 2

Answer:

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Step-by-step explanation:

lcm of 20,30,40

5|20,30,4

2|4 ,6 ,8

2|2 ,3. ,4

3|1 , 3 ,2

2|1 , 1 ,2

|1 , 1 , 1

5×2×2×3×2

= 120

LCM =120