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Answer:

Here are the conversions of the improper fractions to mixed numbers and vice versa:

1. 12/7 = 1 5/7

2. 87/12 ≈ 7 3/12 = 7 1/4

3. 117/19 ≈ 6 9/19

4. 247/28 ≈ 8 23/28

5. 653/47 ≈ 13 22/47

Now, let's convert the mixed numbers to improper fractions:

6. 4 1/7 = (4 * 7 + 1)/7 = 29/7

7. 2 3/13 = (2 * 13 + 3)/13 = 29/13

8. 7 2/9 = (7 * 9 + 2)/9 = 65/9

9. 12 11/17 = (12 * 17 + 11)/17 = 215/17

10. 25 13/27 = (25 * 27 + 13)/27 = 688/27

So, the conversions are as follows:

1. 12/7 = 1 5/7

2. 87/12 ≈ 7 1/4

3. 117/19 ≈ 6 9/19

4. 247/28 ≈ 8 23/28

5. 653/47 ≈ 13 22/47

6. 4 1/7 = 29/7

7. 2 3/13 = 29/13

8. 7 2/9 = 65/9

9. 12 11/17 = 215/17

10. 25 13/27 = 688/27

Step-by-step explanation:

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