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Last updated on November 29th, 2024

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LCM of 6,7 and 9

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The smallest number that should also be a positive number, and evenly divide both the numbers, is known as the least common factor. LCM is very important for solving problems, especially fractions, scheduling events etc.

LCM of 6,7 and 9 for Singaporean Students
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What is the LCM of 6,7 and 9

The LCM of 6,7 and 9 is the lowest number that divides both 6,7 and 9 without leaving any remainder. The LCM of 6,7 and 9 is 126.
 

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How to find the LCM of 6,7 and 9?

The LCM of 6,7 and 9 can be found by the following methods like division method, listing multiples, prime factorization.
 

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LCM of 6,7 and 9 using Division method:

In the division method, we divide both the numbers by the lowest possible number until we get 1 for both numbers.


2 divides 6: → (3, 7, 9)


3 divides 3 and 9: → (1, 7, 3)


7 divides 7: → (1, 1, 3)


3 divides 3: → (1, 1, 1)


LCM = 2 × 3 × 7 × 3 = 126
 

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LCM of 6,7 and 9 using Listing multiples:

We write the multiples of both numbers till we find the common one.


Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120, 126


Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126


Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126

 

The common multiple is 30. So, the LCM of 6,7 and 9 is 126.
 

Professor Greenline from BrightChamps

LCM of 6,7 and 9 using prime factorization:

We part each number into divisors and select the highest powers of all the prime factors.

 

6=  3 × 2


7= 7


9= 3 × 3


LCM = 2 × 32 × 7= 126.

 

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Common Mistakes and How to Avoid Them in LCM of 6,7 and 9

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LCM of 6,7 and 9 Examples

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Problem 1

Find the LCM of 6,7 and 9

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Explanation

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Problem 2

If a/6+b/9=5/18 , find a and b.

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Explanation

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Problem 3

Simplify the expression: 1/6 + 1/7 + 1/9

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Explanation

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FAQ’s on LCM of 6,7 and 9

1.What is the LCM 6, 7 and 8?

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2.What is the LCM of 12,15 and 20?

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3.Is 2 a perfect number?

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4.Multiply 2/6 and 3/9 and express in the simplest form using the LCM.

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5.Important glossaries for LCM of 6,7 and 9

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6.How can children in Singapore use numbers in everyday life to understand LCM of 6,7 and 9?

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7.What are some fun ways kids in Singapore can practice LCM of 6,7 and 9 with numbers?

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8.What role do numbers and LCM of 6,7 and 9 play in helping children in Singapore develop problem-solving skills?

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9.How can families in Singapore create number-rich environments to improve LCM of 6,7 and 9 skills?

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Professor Greenline from BrightChamps

About BrightChamps in Singapore

At BrightChamps, numbers mean more than just digits—they open doors to countless opportunities! Our mission is to help children in Singapore master important math skills, focusing on the LCM of 6,7 and 9 with a special focus on understanding the LCM—in a fun, engaging, and easy-to-understand way. Whether your child is figuring out how fast a roller coaster runs at Universal Studios Singapore, tracking scores at football matches, or managing their allowance for gadgets, mastering numbers builds confidence for everyday challenges. Our interactive lessons make learning fun and simple. Since kids in Singapore learn in various ways, we tailor our teaching to suit each child. From busy city streets to scenic gardens, BrightChamps brings math to life, making the LCM a fun part of every child’s math journey!
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

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Fun Fact

: She loves to read number jokes and games.

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