Hey Assistant, can you help me solve a math question?
Hey Assistant, can you help me solve a math question?
user
Sure! I’m excited to help!  What are you having a problem with?
assistant
A choir teacher is dividing 12 sopranos and 18 altos into singing groups. He wants each group to have the same combination of sopranos and altos, with no singers left over. What is the greatest number of groups he can make?
user