Scrub the portion of tile that has mold with a hard-bristled scrubbing brush. Depending on the brush and how long the mold has been on the tile, you may need to get the bristles wet before you scrub in order to remove it.
Pour one cup of white distilled vinegar, one cup of water and one tablespoon of lemon juice into a spray bottle.
Shake the spray bottle to mix the three liquids.
Spray the bathroom tile with this solution.
Allow the solution to remain on the bathroom tile for one hour.
Scrub the bathroom tile with a wet washcloth or similar cloth.
Dry the bathroom tile with a towel or cloth.
Examine the bathroom tile and repeat the cleaning process if necessary.