How can I replace the subfloor in a bathroom?

To replace the subfloor in a bathroom, follow these steps:

1. Remove the existing flooring and fixtures.
2. Cut out the damaged subfloor using a saw.
3. Measure and cut a new subfloor to fit the space.
4. Install the new subfloor using screws or nails.
5. Replace the flooring and fixtures.
6. Seal the edges to prevent water damage.