Addition with Regrouping: 39 + 26

Addition with Regrouping Calculator
First addend
Second addend

What is 39 + 26?

Answer

39 + 26 =
65

With regrouping: 1 carry — into the tens

39 + 26 in a column. Carries are the small circled digits above the columns.
1carry
3 9
+26
65

Column by column: 39 + 26

  • Ones: 9 + 6 = 15 — write 5, carry 1.
  • Tens: 3 + 2 + 1 = 6 — write 6.

39 + 26 = 65

Second check: 65 − 39 = 26

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FAQ

What is 39 + 26?

39 + 26 = 65

How do you check that 39 + 26 = 65?

Subtract one addend from the sum: 65 − 26 = 39, and 65 − 39 = 26. Getting the other addend back means the sum is right.

How many carries are there in 39 + 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 + 39 the same as 39 + 26?

Yes. Addition is commutative, so both give 65; the column looks the same with either number on top.