1/36 + 5/36 + 11/36 = 17/36; It is not the best estimate, it truly is 17/36
11/15.
The sum of 11 and 7 is 18.
12 over 11
The sum of 8, 11 and 9 is 28.
2/3 + 4/6 = 4/3 or 11/3
Its 8 over 11. Because you add the 1 + 3 + 4 = 8 over 11.
(9/11) + (3/1) = (9/11) + (33/11) = 42/11
11/15.
5/13 + 6/11 = = 133/143
8 + 11 = 19
The sum of 11 and 11 is 22.
8/11 + 3/9 8/11 + 3/9
8 + 3 = 11 is an estimate for 10 and 2/3
3.3166247903554
3/16+11/16= 14/16 That can be reduced to 7/8
The sum of nine or twelve and one over six is 11 over twelve, which is LESS THAN one.
The sum of addends 11 and 15 is: 11 + 15 = 26