def fraction_str(numerator, denominator) -> str:
    """
    Formats a fraction to the format %.5f [numerator/deniminator]
    :param numerator:
    :param denominator:
    :return: Formatted string
    """
    if denominator > 0:
        return "%.5f [%.5f/%d]" % (float(numerator)/denominator, numerator, denominator)
    else:
        return "No Data"