Eight and three thirds IS eight and three thirds. It is not an equivalence, it is an identity.
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.
0.8484 repeating
98.6666 repeating
three and eight thirty-thirds 3 + 8/33 107/33
6.0
1.0
"Three thirds" is ONE
Three over eight as a decimal is 0.375
3.6666 repeating
Expressed as a decimal, 8/3 is equal to 2.3 recurring (that is, 2.3333..)
3/3 in decimal form is 1.0