Addition with Regrouping: 389 + 149

Addition with Regrouping Calculator
First addend
Second addend

What is 389 + 149?

Answer

389 + 149 =
538

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

389 + 149 in a column. Carries are the small circled digits above the columns.
1carry1carry
3 8 9
+149
538

Column by column: 389 + 149

  • Ones: 9 + 9 = 18 — write 8, carry 1.
  • Tens: 8 + 4 + 1 = 13 — write 3, carry 1.
  • Hundreds: 3 + 1 + 1 = 5 — write 5.

389 + 149 = 538

Second check: 538 − 389 = 149

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Column additions with 149

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251 + 149400
256 + 149405
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291 + 149440
307 + 149456
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348 + 149497
351 + 149500
354 + 149503
376 + 149525
389 + 149538
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453 + 149602
468 + 149617
485 + 149634
519 + 149668
536 + 149685
564 + 149713

FAQ

What is 389 + 149?

389 + 149 = 538

How do you check that 389 + 149 = 538?

Subtract one addend from the sum: 538 − 149 = 389, and 538 − 389 = 149. Getting the other addend back means the sum is right.

How many carries are there in 389 + 149?

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 149 + 389 the same as 389 + 149?

Yes. Addition is commutative, so both give 538; the column looks the same with either number on top.

See Also