Mr Kohler orders pizza every 4 days. His neighbor, Mr Sturgis, orders pizza every 5 days.
What is the least amount of days until they will
Both be ordering pizza on the same night.
In this lesson you will learn how to find the Least
Common Multiple of two numbers by listing the
multiples of each number.
Review: a multiple is a whole number that is the
product of that number and another number.
Core Lesson:
3 steps to finding the Lowest Common Multiple:
1. List the multiples
2. Identify the common multiples
3. Find the lowest common multiple.
That is your least common multiple (LCM)
What is the least common multiple of 6 and 9?
1. List the multiples
2. Identify the
common multiples
3. Find the lowest
common multiple.
This is your Least
Common Multiple
(LCM)
What is the least common multiple of 2 and 10?
1. List the multiples
2. Identify the common multiples
3. Find the lowest common multiple.
That is your least common multiple (LCM)
Mr Kohler orders pizza every 4 days. His neighbor, Mr Sturgis, orders pizza every 5 days.
They will both be ordering pizza on the same day every 20 days.