18/35 + 13/42 = 108/210 + 65/210 = 173/210
1
0.9375
its going to be 4over 27 ----
1 And 1 over 6
21/22
Convert all the fractions to a common denominator. Then add.
To do additions with mixed fractions, you should add the integer (whole) part, and the fractions, separately.
Depends... Are you talking about regular addition or fractions?
4/6 or 2/3
If you are using the word "over" to describe that these numbers are fractions, then 1/9 plus 4/9 is 5/9. Since the denominators are the same, you simply add the numerators of both fractions, and you have your answer, 5 over 9.
9 over 10
(x)(x+y) ....or..... x2+xy