def process_latitude(cell):
    """Return the latitude from a cell."""
    lat = cell.strip().split("/")[0].strip()
    return float(
        int(
            str(lat[0]) + str(lat[1]),
        )
        + int(
            str(lat[2]) + str(lat[3]),
        ) / 60
        + int(
            str(lat[4]) + str(lat[5]),
        ) / 3600
    )