The concept of "going into" is not relevant for fractions because any fraction can go into any other fraction (other than 0) a fractional number of times.
One third divided by two and one third = 1/7
I do this all the time in math. Start with 0 the go one-third, two-third, and the finish with 1.
One third of two is 0.66666666666666666666667
2.3333333333333333333333 or two and one third
Notwo thirds is two times as big as one third
Negative one third.
one and one-third
One third is greater than two fifths.
Eight and two thirds.
Two and one third divided by one half = 42/3
One minus two thirds is one third.
Two fifths is 40% and one third is ~33% :)