Mineral interests are almost always owned in fractions: 1/2, 1/4, 1/16, 1/320 — down to interests so small they're written as decimals with many leading zeros. These fractions arise from divisions among heirs, partial conveyances, and successive sales of fractional shares.
Calculating a final net mineral acre (NMA) or net revenue interest (NRI) for a party requires multiplying through every fraction in the chain. A single missed conveyance can invalidate the entire calculation.
Modern mineral AI platforms automate fractional math across the runsheet, flagging gaps where conveyances don't sum to 100% and identifying heirs who may hold undiscovered interests.
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