Four ninths
It is seven ninths.
5 and 5/9
One-third plus three-ninths is 2/3.7/9
Five-ninths must be added to four-ninths to make a whole.
2
Four ninths
It is seven ninths.
5 and 5/9
Four ninths.
The sum of 4/9 and 1/9 is 5/9.
One whole is nine ninths. Nine ninths minus four ninths equals five ninths.
10 7/18
One-third plus three-ninths is 2/3.7/9
one and four ninths as a decimal = 1.4444
Expressed as a proper fraction in its simplest form, 1/3 + 4/9 = 7/9 or seven ninths.
The sum of 4/9 and 1/4 is 25/36.