Respuesta :

the answer is 36. because 12x3=36, 9x4=36, and 4x9=36, so it is the least common denominator
calebrector

The whole pizza needs to be 36 slices.

LCM of 4, 9, 12 = 36

Andrew gets 9 slices

Brice gets 8 slices

and Collins gets 15 slices