A parent dies and left an estate to four children. One inherited 1/9 of the estate, the second inherited 5/81, and the third inherited 17/27. How much did the f

Question

I know all the denominators are unlike, but am I adding or subtracting?

Answer 1

You shall be adding and subtracting. First adding to determine how much was given away.

 

1/9 + 5/81 + 17/27           Rewrite with LCD of 81

9/81 + 5/81 + 51/81         Combine

65/81

 

Now us subtraction to determine how much the fourth person got

 

81/81 - 65/81

16/81