The sum of 1/9 and 2/9 = 1/3
6 ninths. That is two thirds: 2/3.
That would be seven ninths.
1 third = 3 ninths, 3 ninths - 2 ninths = 1 ninth.
Two ninths.
One third is three ninths. So one ninth minus three ninths is minus two nights.
one ninth
Four ninths
One and two ninths
2
2/3 +1/9= 6/9+1/9=7/9, seven ninths
1 ninth
1 1/9th