Seven ninths is a fraction. It's 7/9 as we'd write it with numerals.
77.78%
34/9
88/9
7/9 = 77.777% recurring
8/9 is greater.
5/6 is greater.And the correct spelling is ninths, not nineths.
As a percentage, it is 700/9
Expressed as a decimal fraction, 7/9 is equal to 0.7 recurring (that is, 0.7777..)
seventy-seven point seven percent (recurring). Just divide 7 by 9 on the calculator.
Seven ninths minus four ninths is 1/3.
When you add three of something to four of something, you get seven of something. It doesn't matter what the somethings are. Think of ninths as somethings. If you add three ninths and four ninths, you have to wind up with seven ninths. You can't wind up with seven eighteenths, because you weren't adding eighteenths to begin with.