First, convert the fractions so that they have the same denominator.
7/9 = 14/18
5/6 = 15/18
14/18 + 15/18 = 29/18 = 1 11/18
http://www.mathsisfun.com/numbers/common-denominator.html
adding fractions with unlike denominators:
7/9 + 5/6?
1 answer