Respuesta :

Answer: 36x^3y

Step-by-step explanation:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.

The LCM for 4x^3, 9y, 12x^3y, is the numeric part 36 multiplied by the variable part 36x^3y.