HELP!!!
gcf (greatest common factor)

Answer: GCF = 9
Step-by-step explanation: 45/9 = 5 and 81/9 = 9. 5/9 is as much as you can simplify. Brainliest please?
Greatest common factor is 9
Step-by-step explanation:
The biggest factor that matches 45 and 81 is 9.
45: 1,3,5,9,15,45
81: 1,3,9,27,81