Question

do the LCM of 9 and 18 and 21 ​

Answer 1

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Answer 2

Answer:

step 1:

Address input parameters and values integers: 9 18 21 lcm ( 9,18,21)

step 2:

arrange the group of number in the horizontal form with space or comma separated format 9,18 and 21

step 3

choose the division which divided each or most of the integer separately and write down the quotient in the next line right under the respective integer ti the next line if the integer is not divisible by the divisor repeat the same process until all the integer are brought to 1.

lcm of 9,18, 21

3 | 9, 18, 21

3| 3,6,7

2| 1,2,7

7| 1,1,7

1,1,1

step 4:

multiple the division to find the lcm of 9 18 ans 21 3×3×2×7= 126

Lcm (9,18,21 ) = 126

the least common multiple for three number 9,18 and 21 is 126

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