Answer:
11/13
Explanation:
3/13, 5/13, 7/13, 9/13, 11/13
3/13
3/13 + 2/13 = 5/13
5/13 + 2/13 = 7/13
7/13 + 2/13 = 9/13
9/13 + 2/13 = 11/13
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