
Find the LCM of 5, 7 and 9 Multiples of 5 are 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 Multiples of 6 are 6, 12, 16, 24, 30 Multiples of 15 are 15, 30, 45, 60 Least Common Multiple (LCM) = 30 Answer: 30 Example 2: Jill purchased some apples to distribute to her friends. If she gave 4 or 5 or 6 apples to each of her friends she will be left with 100 apples. What is the least number of apples she purchased? Solution: The L.C.M of 4,5,6 = 60 100 + 60 = 160 The least number of apples she purchased is 160. Solution: 160 apples. Directions: Solve the following questions. Also write at least five examples of your own. 