Addition with Regrouping: 89 + 69

Addition with Regrouping Calculator
First addend
Second addend

What is 89 + 69?

Answer

89 + 69 =
158

The sum is longer than the addends: 2 carries — into the tens and the hundreds; the last one makes a new digit

89 + 69 in a column. Carries are the small circled digits above the columns.
1carry1carry
8 9
+69
158

Column by column: 89 + 69

  • Ones: 9 + 9 = 18 — write 8, carry 1.
  • Tens: 8 + 6 + 1 = 15 — write 5, carry 1.
  • Hundreds: the carried 1 — write 1.

89 + 69 = 158

Second check: 158 − 89 = 69

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Column additions with 69

ExampleSum
69 + 69138
71 + 69140
74 + 69143
76 + 69145
78 + 69147
83 + 69152
85 + 69154
89 + 69158
92 + 69161
94 + 69163
98 + 69167
105 + 69174
136 + 69205
172 + 69241
203 + 69272
239 + 69308
268 + 69337
307 + 69376
348 + 69417
376 + 69445

FAQ

What is 89 + 69?

89 + 69 = 158

How do you check that 89 + 69 = 158?

Subtract one addend from the sum: 158 − 69 = 89, and 158 − 89 = 69. Getting the other addend back means the sum is right.

How many carries are there in 89 + 69?

2 carries: every time a column added up to 10 or more, its ones digit was written and 1 was carried to the next column on the left.

Is 69 + 89 the same as 89 + 69?

Yes. Addition is commutative, so both give 158; the column looks the same with either number on top.

See Also