The LCD for 1/6 and 5/8

The LCD for 1/6 and 5/8 is 24.

To find the LCD, we need to find the least common multiple of the denominators, which are 6 and 8.
Multiples of 6: 6, 12, 18, 24, 30, 36, ...
Multiples of 8: 8, 16, 24, 32, 40, ...

The least common multiple of 6 and 8 is 24.