if you help me with this i will mark you brainly-est but you gotta tell me how to because i don't know how ? \

Answer:
1/6
Step-by-step explanation:
Rhianna has 3/6 or 1/2 of a box of pencils
When she divides 3/6 among three people, you get 1/6
Each friend gets 1/6 of a box