Addition with Regrouping: 239 + 65

Addition with Regrouping Calculator
First addend
Second addend

What is 239 + 65?

Answer

239 + 65 =
304

With regrouping: 2 carries — into the tens and the hundreds

239 + 65 in a column. Carries are the small circled digits above the columns.
1carry1carry
2 3 9
+65
304

Column by column: 239 + 65

  • Ones: 9 + 5 = 14 — write 4, carry 1.
  • Tens: 3 + 6 + 1 = 10 — write 0, carry 1.
  • Hundreds: 2 + 1 = 3 — write 3.

239 + 65 = 304

Second check: 304 − 239 = 65

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FAQ

What is 239 + 65?

239 + 65 = 304

How do you check that 239 + 65 = 304?

Subtract one addend from the sum: 304 − 65 = 239, and 304 − 239 = 65. Getting the other addend back means the sum is right.

How many carries are there in 239 + 65?

2 carries: 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 65 + 239 the same as 239 + 65?

Yes. Addition is commutative, so both give 304; the column looks the same with either number on top.