LCM of 15 16 and 20
With step by step explanation and with photo of the answer
Answers
Answer:
Lcm is 86
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Answer:
The answer will be 2×2×2×2×5×3 = 240
I have done with division method of LCM
Step-by-step explanation:
1) Write the numbers the way I have written.
2) Find a number that can at least divide any two of the given numbers
3) Here we got two so 15 we copy as 15 only. 16 becomes 8 and 20 becomes 10.
4) Again take 2 [the reason is step 2]. Now divide and you will get 15 as 15 only because it is not divisible ,8 as 4 and 10 as 5.
5) Now once we have started we do not put this property (step 2) if there is one number divisible.
So we use 2 only and 4 becomes 2, 15 will be 15 and 5 will be 5
6) Again we will take 2 to make two as 1. As we get 1 we leave it and start we the other numbers.
15 will be 15 and 5 will be 5.
7) Now 5 can divide 15 and 5 so we write 5 and then we divide to get 15 as 3 and 5 as 1.
8) Now we write 3 to divide 3 cause it is a prime number and copy the other 1's.
9) Now we write all numbers as 1 and finish the working.
10) Then we multiple the digits we get on the left column.
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