Lesson 13 — Least Common Multiple (LCM)

🎯 Goal

Learn how to find the LCM of two or more numbers for solving fractions and other problems.

📖 Lesson Description

The Least Common Multiple (LCM) of two numbers is the smallest number that is a multiple of both numbers.

🔎 Examples

• LCM of 4 and 6: multiples of 4 → 4,8,12,16…; multiples of 6 → 6,12,18… → LCM = 12
• LCM of 5 and 7 → 35

✏️ Practice

1. Find LCM of 8 and 12.
2. Find LCM of 3, 4, and 6.
3. Find LCM of 9 and 15.