Two and one third divided by one half = 42/3
One-half of two-thirds is one-third.
One third
Six and one third divided by two and one half is 28/15
It is two-thirds.
It's not half as much, it is twice as much. And it is twice as much, precisely because 2/3 is twice as much as 1/3.
No. It doesn't
one third
One and a half.
One third. (One half of two of anything is one of the same thing.)
One and one-third cups