Two thirds cup of water plus two thirds cup of water equals one and one third cups of water. When you add the two fractions, ( \frac{2}{3} + \frac{2}{3} = \frac{4}{3} ), which can be expressed as one whole cup and one third cup.
7.6666666.....
five and one third
I believe that it does equal one!
7/9
5/6
3/4
Two thirds
Five eights plus two thirds minus one fourth is equal to 1.04
One and two ninths
One third plus one third equals two thirds.
That equals 3 thirds which is also equal to one.
1 third plus one third =============== There are many other fraction combinations which equal two-thirds. One, for example, is one-half plus one-sixth.