4!
The answer to an addition problem is called the sum.The sum of 2 plus 2 is 4.
4 over x plus 3
The sum of 6 and -4 is two.
93,824
The sum of 7/10 and 4/15 = 29/30
The sum is 96.
The sum of 4/20 and 2/13 is 23/65
The sum of 2n, for n= 0 to 29.
The sum of 4/3 and 4/7 is 1 19/21
plus indicates that it is a sum (not a difference): 1/4 + 2/4 = 3/4. You can just add the numerators, since the denominators are the same.
2 3 over 20
The sum of 3 plus 4 is 7.
The sum of 1/45 and 4/45 is 1/9
The sum of 3/4 and 1/9 is 31/36
The sum of 3/8 and 1/4 is 5/8.
The sum of 1/6 and 4/9 is 11/18.