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Last updated on May 26th, 2025

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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 UK 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 United Kingdom 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 United Kingdom 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 United Kingdom develop problem-solving skills?

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

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About BrightChamps in United Kingdom

At BrightChamps, we know numbers are far more than mere digits—they open doors to endless opportunities! We aim to support children all over the United Kingdom in mastering essential math skills, with today’s spotlight on the LCM of 6,7 and 9 and a special focus on understanding the LCM—in a lively, enjoyable, and easy-to-understand way. Whether your child is working out how fast a roller coaster travels at Alton Towers, tracking scores at a local football match, or budgeting pocket money for the latest gadgets, mastering numbers helps build their everyday confidence. Our interactive lessons make learning fun and straightforward. Since children in the UK learn in diverse ways, we adapt our teaching to suit each individual. From the bustling streets of London to the scenic coastlines of Cornwall, BrightChamps makes math relatable and exciting throughout the UK. Let’s bring the LCM to life for 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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