Finding the Least Common Multiple

It helps in finding a common denominator.

It simplifies multiplication of fractions.

It is used to convert fractions to decimals.

It is necessary for dividing fractions.

10

20

5

15

Add all numbers together.

Pick the largest number.

Pick the smallest number.

Multiply all numbers together.

Because 27 is not a multiple of 3.

Because 27 is not a common multiple.

Because 9 is the smallest number that both 3 and 9 multiply into.

Because 27 is not a multiple of 9.

96

36

24

48

112

56

42

28

It only works for even numbers.

It can become cumbersome with larger numbers.

It only works for two numbers.

It requires prime factorization.

2 x 3 x 6

2 x 2 x 3 x 3

2 x 2 x 2 x 3

3 x 3 x 4

4 x 5

2 x 5 x 5

2 x 10

2 x 2 x 5

2 x 2 x 2

2 x 4

2 x 2 x 4

4 x 2