Answer:
3. Increasing the sum of 6 3/14 and 2 2/7 by 3 1/2 gives 12 7/28.
4. Decreasing 21 3/8 by 51/5 gives 11 7/40.
5. 8 4/5 minus 3 2/7 gives 5 25/35, which simplifies to 5 5/7.
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Answer:
3. Increasing the sum of 6 3/14 and 2 2/7 by 3 1/2 gives 12 7/28.
4. Decreasing 21 3/8 by 51/5 gives 11 7/40.
5. 8 4/5 minus 3 2/7 gives 5 25/35, which simplifies to 5 5/7.