gcf problems may asking you:
1.to splitthings into smaller sections?
2.to equally distribute 2 or more sets of items into their largest grouping?
3.to figure out how many people we can invite?
4. to arrange something into rows or groups?
lcm probllems may be asking you:
1. about an event that is or will be repeating over and over.
2.to purchase or get multiple items in order to have enough.
3.to figure out when something will happen again at the same time.