Learn Lcm – Step-by-Step Math Problems, Animations & Practice

Understand the Least Common Multiple (LCM) with step-by-step lessons that simplify the process of finding common multiples between numbers. Learn different strategies including listing multiples, using prime factorization, and applying the division method. These interactive tutorials help K–8 students solve real-world problems involving LCM in topics like fractions and time intervals.

Scroll down to explore interactive examples and practice problems that help build a strong foundation in Math.

What is the LCM of 18 and 8?

What is the LCM of 18 and 8?

Learn how to find the least common multiple of 18 and 8 using prime factorization.
What is the LCM of 5 and 12?

What is the LCM of 5 and 12?

Step-by-step guide to calculate the LCM of 5 and 12 for solving math problems.
What is the LCM of 6 and 9?

What is the LCM of 6 and 9?

Find the least common multiple of 6 and 9 using listing multiples and prime factors.
What is the LCM of 10 and 15?

What is the LCM of 10 and 15?

Discover how to calculate the LCM of 10 and 15 efficiently.
What is the LCM of 7 and 14?

What is the LCM of 7 and 14?

Understand how to find the LCM of 7 and 14 using multiples and factors.
What is the LCM of 4 and 9?

What is the LCM of 4 and 9?

Learn the step-by-step process to find the LCM of 4 and 9.
What is the LCM of 11 and 22?

What is the LCM of 11 and 22?

Find the least common multiple of 11 and 22 quickly and easily.
What is the LCM of 8 and 12?

What is the LCM of 8 and 12?

Detailed explanation on calculating the LCM of 8 and 12 using prime factors.
What is the LCM of 3 and 5?

What is the LCM of 3 and 5?

Step-by-step guide to find the LCM of 3 and 5 for easy math solutions.
What is the LCM of 9 and 6?

What is the LCM of 9 and 6?

Learn to find the LCM of 9 and 6 using common multiples and factorization.
What is the LCM of 13 and 26?

What is the LCM of 13 and 26?

Discover the method to calculate the LCM of 13 and 26 quickly.
What is the LCM of 16 and 20?

What is the LCM of 16 and 20?

Step-by-step tutorial on how to find the LCM of 16 and 20.

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