What is 4 7/8 as an improper fraction?

To convert the mixed number 4 7/8 to an improper fraction, follow these steps:

1. Multiply the whole number by the denominator: 4 × 8 = 32.
2. Add the result to the numerator: 32 + 7 = 39.
3. The improper fraction is 39/8.

So, 4 7/8 as an improper fraction is 39/8.