To turn any fraction into a decimal you divide the top number by the bottom number.
For 1/3 divide 1 by 3
By burning the "2 and 2 thirds" and replacing it with a decimal.
66.666
2/3 = 0.66666 repeating
1.6666 repeating
1.666666666666666666666666666666667
6.33... recurring.
1.3333 (continues)
It cant be written as a decimal apart from 3.0 which is a whole number. The fraction is basically saying that there are 9 thirds which equals three. Three thirds equals one because three thirds equals a whole.
1.6 recurring
"Three thirds" is ONE
0.006666 repeating
.333.... Simplified, it is .33