find the lcd for 4 over 5 and 3 over 9

1 answer

4/5 and 3/9

To find the lcd, count by 5s and 9s

5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60

9, 18, 27, 36, 45, 54, 63

What is the lcd?