too hard
4 thirds witch is 1 and 1 third
2/3 + 2/3 = 1 1/3
One third plus one third equals two thirds.
It's 2
It is; 1/4 plus 2/3 = 11/12
4 and 1 sixth
1 1/2 1 1/2
Eleven twelfths.
1 2/3
4 and 1/6
1 + 2/3 = 1 2/3 or 1.6 recurring (that is, 1.66666...)