It is: 27+89 = 116
70 + 19 = 89 or: the sum of 70 and 19 is 89
67 + 89 = 156
34.6 + 89 = 123.6
100
89 + x = x +89
The sum of 101 and 89 is 190.
316
122
89
The sum of 14.761 and 27 is.... 41.761.
The sum of 15 and 27 is 42.
The sum of 27 and 16 is 43.