A parent died and left an estate to four children one inherited 2/9 oh the state the semiconductor inherited 19/81 and the third one inherited 12/27 how much did the fourth inherited

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TheBLT
The answer is 8/81. find the values with a common denominator

tonb
If you convert all fractions to /81 this becomes doable.

81/81-18/81-36/81-19/81 = 8/81