​A woodcutter estimated that his small pickup truck could hold 2/3 cord of firewood. In reality, his truck carries 5/9 cord. Calculate the difference between his estimate and the actual load.

Cord

A unit of measure for wood, typically used for firewood or pulpwood, referring to a volume of 128 cubic feet.

Firewood

Wood that has been gathered or cut and is used primarily for fuel in a fire.

Pickup Truck

A vehicle with an enclosed cab and an open cargo area, usually with low sides and tailgate.