What is lcm 9,15,18 ?

The solution to lcm 9,15,18 is 90

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Find the LCM 9 , 15 , 18

lcm

9, 15, 18

90

Solution steps

9, 15, 18

Prime factorization of

9 : 3 \cdot 3

9

9

divides by

39 = 3 \cdot 3

= 3 \cdot 3

Prime factorization of

15 : 3 \cdot 5

15

15

divides by

315 = 5 \cdot 3

= 3 \cdot 5

3, 5

are all prime numbers, therefore no further factorization is possible

= 3 \cdot 5

Prime factorization of

18 : 2 \cdot 3 \cdot 3

18

18

divides by

218 = 9 \cdot 2

= 2 \cdot 9

9

divides by

39 = 3 \cdot 3

= 2 \cdot 3 \cdot 3

2, 3

are all prime numbers, therefore no further factorization is possible

= 2 \cdot 3 \cdot 3

Compute a number comprised of factors that appear in at least one of the following:

9, 15, 18

= 3 \cdot 3 \cdot 5 \cdot 2

Multiply the numbers:

3 \cdot 3 \cdot 5 \cdot 2 = 90

= 90

t o a p erce n t a g e 150/100

t o a p erce n t a g e 28/25

4 \cdot (- 4/3)

\frac{26}{8}

\frac{34}{45}