Jamie practiced the piano every four days. He had a piano lesson every nine days.
When will Jamie practice and have a lesson on the same day?
What is the least common multiple of 4 and 9?
To find out when Jamie will practice and have a lesson on the same day, we need to determine the common multiples of 4 and 9.
First, let's find the multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, etc.
Next, let's find the multiples of 9: 9, 18, 27, 36, 45, etc.
From the lists of multiples, we can see that the first common multiple of 4 and 9 is 36. This means that Jamie will practice and have a lesson on the same day every 36 days.
Therefore, Jamie will practice and have a lesson on the same day every 36 days.