Addition with Regrouping: 89 + 26

Addition with Regrouping Calculator
First addend
Second addend

What is 89 + 26?

Answer

89 + 26 =
115

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

89 + 26 in a column. Carries are the small circled digits above the columns.
1carry1carry
8 9
+26
115

Column by column: 89 + 26

  • Ones: 9 + 6 = 15 — write 5, carry 1.
  • Tens: 8 + 2 + 1 = 11 — write 1, carry 1.
  • Hundreds: the carried 1 — write 1.

89 + 26 = 115

Second check: 115 − 89 = 26

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FAQ

What is 89 + 26?

89 + 26 = 115

How do you check that 89 + 26 = 115?

Subtract one addend from the sum: 115 − 26 = 89, and 115 − 89 = 26. Getting the other addend back means the sum is right.

How many carries are there in 89 + 26?

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 26 + 89 the same as 89 + 26?

Yes. Addition is commutative, so both give 115; the column looks the same with either number on top.