0.777777777777778
*or*
0.777
To find the decimal of a fraction you divide the numerator by the denominator.
The numerator will be the number on top (7)
The denominator will be the number on the bottom (9)
If the fraction is 7/9 then you divide 7 by 9.
7 / 9 = 0.777 or 0.777777777777778
