Addition with Regrouping: 105 + 26

Addition with Regrouping Calculator
First addend
Second addend

What is 105 + 26?

Answer

105 + 26 =
131

With regrouping: 1 carry — into the tens

105 + 26 in a column. Carries are the small circled digits above the columns.
1carry
1 0 5
+26
131

Column by column: 105 + 26

  • Ones: 5 + 6 = 11 — write 1, carry 1.
  • Tens: 0 + 2 + 1 = 3 — write 3.
  • Hundreds: nothing to add — write 1.

105 + 26 = 131

Second check: 131 − 105 = 26

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FAQ

What is 105 + 26?

105 + 26 = 131

How do you check that 105 + 26 = 131?

Subtract one addend from the sum: 131 − 26 = 105, and 131 − 105 = 26. Getting the other addend back means the sum is right.

How many carries are there in 105 + 26?

1 carry: 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 + 105 the same as 105 + 26?

Yes. Addition is commutative, so both give 131; the column looks the same with either number on top.