Quandaries
and Queries 

Sam and Mary each owned onehalf stock in a printing company. Sam sold 2/3 of his stock to Mary. What fractional part of the printing business does Mary now own? Tracy Parent Secondary 

Hi Tracy, Sam had onehalf of a stock and he sold twothirds of it to Mary. Twothirds of onehalf is onethird so he sold onethird of the printing company stock to Mary. Mary already owned onehalf of a stock so now she own onehalf plus onethird of a stock. To add 1/2 and 1/3 you need a common denominator. Two times three is six so six is a common denominator. Thus
Thus Mary now own fivesixths of a stock in the printing company. Penny 

