Find L.C.M of the given numbers 18and
15
Answers
Answer:
Here is your answer
LCM=90
Step-by-step explanation:
Example: 1 to find the lowest common multiple you will need to factorise both numbers.
To factorise simply means to break into smaller factors.
so…
to factorise 15 you will need to work out what numbers can be multiplied together to make 15.
15==>5 x 3 as 5 and 3 are both prime numbers you cant factorise this any further.
for 18, you will need to work out what numbers can be multiplied together to make 18.
18==> 9 x 2
the nine can be further factorised so you end up with…
18 ==> 3 x 3 x 2
Next, we find the shared multiples—the LCM must consist of 2 × 3 × 3 × 5 so that we can find both 2×3×3 in it and we can also find 3×5 in it
therefore, 2 x 3 x 3 x5 =90 and so the LCM is 90.
Example:2
These are the step by step process to arrive at the final answer:
These are the step by step process to arrive at the final answer:Use prime factorization method to get the factors of 15 . (15 = 3 X 5 )
These are the step by step process to arrive at the final answer:Use prime factorization method to get the factors of 15 . (15 = 3 X 5 )Use prime factorization method to get the factors of 18 . (18 = 2 X 3 X 3 )
These are the step by step process to arrive at the final answer:Use prime factorization method to get the factors of 15 . (15 = 3 X 5 )Use prime factorization method to get the factors of 18 . (18 = 2 X 3 X 3 )Multiply each of the factors the greater number of times it occurs in steps # 1 and #2. LCM = 2 X 3 X 3 X 5
These are the step by step process to arrive at the final answer:Use prime factorization method to get the factors of 15 . (15 = 3 X 5 )Use prime factorization method to get the factors of 18 . (18 = 2 X 3 X 3 )Multiply each of the factors the greater number of times it occurs in steps # 1 and #2. LCM = 2 X 3 X 3 X 5Using the basics of calculation LCM = 90 .
These are the step by step process to arrive at the final answer:Use prime factorization method to get the factors of 15 . (15 = 3 X 5 )Use prime factorization method to get the factors of 18 . (18 = 2 X 3 X 3 )Multiply each of the factors the greater number of times it occurs in steps # 1 and #2. LCM = 2 X 3 X 3 X 5Using the basics of calculation LCM = 90 .The final answer is LCM = 90