Answer:
1. 9 7/12
2. 18 1/24
Explanation:
1. 2 3/6 + 2 2/3 = 5 1/6
5 1/6 + 4 5/12 = 9 7/12
2. 5 7/8 + 4 1/3 = 10 5/24
10 5/24 + 7 5/6 = 18 1/24
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