Addition with Regrouping: 203 + 67

Addition with Regrouping Calculator
First addend
Second addend

What is 203 + 67?

Answer

203 + 67 =
270

With regrouping: 1 carry — into the tens

203 + 67 in a column. Carries are the small circled digits above the columns.
1carry
2 0 3
+67
270

Column by column: 203 + 67

  • Ones: 3 + 7 = 10 — write 0, carry 1.
  • Tens: 0 + 6 + 1 = 7 — write 7.
  • Hundreds: nothing to add — write 2.

203 + 67 = 270

Second check: 270 − 203 = 67

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FAQ

What is 203 + 67?

203 + 67 = 270

How do you check that 203 + 67 = 270?

Subtract one addend from the sum: 270 − 67 = 203, and 270 − 203 = 67. Getting the other addend back means the sum is right.

How many carries are there in 203 + 67?

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 67 + 203 the same as 203 + 67?

Yes. Addition is commutative, so both give 270; the column looks the same with either number on top.