Respuesta :

Answer:

2/3

Step-by-step explanation:

1/3 is the same as 3/9 (multiply 3 to both numerator and denominator) 3/9+3/9 is 6/9. 6/9 can be simplified by dividing 3 to both sides to get 2/3.

christian2419
The answer is 2/3 because you simplify 3/9 into 1/3 so 1/3+1/3=2/3...
Hope his helps