5). (2 13/48 + 2 5/12) : 3 3/4 - 9 3/4 : 12

1. Convert mixed numbers to improper fractions: (109/48 + 29/12) : 15/4 - 39/4 : 12.

2. Calculate the first parenthesis: (109/48 + 116/48) = 225/48 = 75/16.

3. Perform division: 75/16 : 15/4 = 75/16 * 4/15 = 5/4.

4. Perform second division: 39/4 : 12 = 39/48 = 13/16.

5. Subtract the results: 5/4 - 13/16 = 20/16 - 13/16 = 7/16.

Final Answer: 7/16