Fractional interest discounts allowed In Estate of Elkins v. Commissioner, the U.S. Tax Court sides with petitioners holding they were entitled to a ten percent discount from pro rata fair market value with respect to a decedent’s interest in various works of art.  In Fancher v. Prudhome, the Louisiana Court of Appeals upholds a trial court’s determination that using the Income Approach to value a withdrawing member’s share in an LLC was not applicable since future cash flow could not be assumed and the withdrawing member provided the majority of the company’s business.