The expression to find the perimeter of a rectangle is 2(length + width). What is the perimeter, in units, of a rectangle of length fraction 1 over 3 unit and width fraction 1 over 2 unit?
fraction 2 over 5 unit
fraction 4 over 5 unit
fraction 1 and 1 over 3 units
fraction 1 and 2 over 3 units