Question

What is the LCD of 8/15 and 3/5?

Answer 1

Answer: 15

The denominators are 15 and 5

The LCM, or lowest common multiple, of 15 and 5 is 15.

Note how 15 is a multiple of 5.

We can write 3/5 as 9/15 after multiplying top and bottom by 3.