Respuesta :

Answer:

18

Step-by-step explanation:

we start to write a few iterations of 6 and 9:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ...

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, ...

the LCD is the least repeating number in both sequences. It is 18