-4
SUM means plus 4+7=11
-4
7 + 4 = 11
The estimated sum is 11 The actual sum is 10 and 19/24
11.
The sum of 11 and 7 is 18.
The sum of 7 plus 71 is 77.
The sum of 11/12 and 2/3 = 1 7/12
simply 9
The estimated sum is 11. The actual sum is 10 and 19/24
The sum of 1/3 and 7/12 is 11/12
The sum of 3 plus 4 is 7.