What is 3 5/8 as an improper fraction?

To convert the mixed number 3 5/8 to an improper fraction, follow these steps:

1. Multiply the whole number by the denominator: 3 × 8 = 24.
2. Add the numerator to the result: 24 + 5 = 29.
3. The denominator remains the same: 8.

So, 3 5/8 as an improper fraction is 29/8.