Question

What is the LCD of 5/6 and -3/8 ?

Answer 1

The denominator of 5/6 is 6
The denominator of -3/8 is 8

So now we have to list all the multiples of 6 and 8.

6: 6, 12, 18, 24, 30, 36
8: 8, 16, 24, 32, 40

So you can notice that both of them have 24 common, so the LCD is 24.