Column Addition: 67 + 12

Addition with Regrouping Calculator
First addend
Second addend

What is 67 + 12?

Answer

67 + 12 =
79

No regrouping: each column is added on its own

67 + 12 in a column. No carries.
6 7
+12
79

Column by column: 67 + 12

  • Ones: 7 + 2 = 9 — write 9.
  • Tens: 6 + 1 = 7 — write 7.

67 + 12 = 79

Second check: 79 − 67 = 12

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FAQ

What is 67 + 12?

67 + 12 = 79

How do you check that 67 + 12 = 79?

Subtract one addend from the sum: 79 − 12 = 67, and 79 − 67 = 12. Getting the other addend back means the sum is right.

How many carries are there in 67 + 12?

None: no column adds up to 10 or more, so every digit of the sum is written straight away.

Is 12 + 67 the same as 67 + 12?

Yes. Addition is commutative, so both give 79; the column looks the same with either number on top.