If you convert both numbers into 6ths it is easier to work out. 1 and 1/2 is 9/6ths and 2/3rds is 4/6ths. so, 9/6ths - 4/6ths = 5/6ths.
One minus two thirds is one third.
One minus two thirds is one third.
One minus two thirds is one third.
Eight minus two thirds would be seven and one third.
3 and two thirds
or 5 and one third
2 minus one third is 1 and two thirds.
6 minus 3 and two thirds = 2 and one third.
one third
14 and two thirds
one whole
One minus one third is two thirds. 1=3/3 3/3-1/3=2/3