Column Addition: 203 + 76

Addition with Regrouping Calculator
First addend
Second addend

What is 203 + 76?

Answer

203 + 76 =
279

No regrouping: each column is added on its own

203 + 76 in a column. No carries.
2 0 3
+76
279

Column by column: 203 + 76

  • Ones: 3 + 6 = 9 — write 9.
  • Tens: 0 + 7 = 7 — write 7.
  • Hundreds: nothing to add — write 2.

203 + 76 = 279

Second check: 279 − 203 = 76

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FAQ

What is 203 + 76?

203 + 76 = 279

How do you check that 203 + 76 = 279?

Subtract one addend from the sum: 279 − 76 = 203, and 279 − 203 = 76. Getting the other addend back means the sum is right.

How many carries are there in 203 + 76?

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

Is 76 + 203 the same as 203 + 76?

Yes. Addition is commutative, so both give 279; the column looks the same with either number on top.