Addition with Regrouping: 239 + 19

Addition with Regrouping Calculator
First addend
Second addend

What is 239 + 19?

Answer

239 + 19 =
258

With regrouping: 1 carry — into the tens

239 + 19 in a column. Carries are the small circled digits above the columns.
1carry
2 3 9
+19
258

Column by column: 239 + 19

  • Ones: 9 + 9 = 18 — write 8, carry 1.
  • Tens: 3 + 1 + 1 = 5 — write 5.
  • Hundreds: nothing to add — write 2.

239 + 19 = 258

Second check: 258 − 239 = 19

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FAQ

What is 239 + 19?

239 + 19 = 258

How do you check that 239 + 19 = 258?

Subtract one addend from the sum: 258 − 19 = 239, and 258 − 239 = 19. Getting the other addend back means the sum is right.

How many carries are there in 239 + 19?

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 19 + 239 the same as 239 + 19?

Yes. Addition is commutative, so both give 258; the column looks the same with either number on top.

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