2 / 3, 8 / 9, 2 / 3, 4 / 3, 2, (), fill in a number in the bracket to make the sequence hold,

2 / 3, 8 / 9, 2 / 3, 4 / 3, 2, (), fill in a number in the bracket to make the sequence hold,

Definitely wrote an extra 2 / 3 in the middle
Should be filled in brackets (26 / 9)