34.6 + 89 = 123.6
67 + 89 = 156
148
78 + 89 + 167 + 897 + 78 = 1309
257 + 89 = 346
The sum of 56 and 33 is 89.
353
3+6+7+89+4+5+7+9+90+67 = 287
89
The sum of 89 is simply 89 itself, as it is a single number. If you are asking for the sum of multiple instances of 89, you would need to specify how many instances there are. For example, the sum of two instances of 89 would be 178.
89
You don't need to estimate - it is an easy enough sum: 136.
What is the answer for 91 plus 89?The answer for 91 plus 89 is, 180.