GIVING BRAINLIEST TO BEST EXPLANATION!!!!! NEED URGENT ANSWER!!!

Answer:
B) 3 10/12
Step-by-step explanation:
2+1 = 3
need the least common denominator
4/12 + 3/6
4/12 + 6/12 = 10/12
[Answer] 3 10/12
PLEASE RATE!! I hope this helps!!
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