Addition with Regrouping: 239 + 149

Addition with Regrouping Calculator
First addend
Second addend

What is 239 + 149?

Answer

239 + 149 =
388

With regrouping: 1 carry — into the tens

239 + 149 in a column. Carries are the small circled digits above the columns.
1carry
2 3 9
+149
388

Column by column: 239 + 149

  • Ones: 9 + 9 = 18 — write 8, carry 1.
  • Tens: 3 + 4 + 1 = 8 — write 8.
  • Hundreds: 2 + 1 = 3 — write 3.

239 + 149 = 388

Second check: 388 − 239 = 149

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FAQ

What is 239 + 149?

239 + 149 = 388

How do you check that 239 + 149 = 388?

Subtract one addend from the sum: 388 − 149 = 239, and 388 − 239 = 149. Getting the other addend back means the sum is right.

How many carries are there in 239 + 149?

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 149 + 239 the same as 239 + 149?

Yes. Addition is commutative, so both give 388; the column looks the same with either number on top.