Addition with Regrouping: 389 + 268

Addition with Regrouping Calculator
First addend
Second addend

What is 389 + 268?

Answer

389 + 268 =
657

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

389 + 268 in a column. Carries are the small circled digits above the columns.
1carry1carry
3 8 9
+268
657

Column by column: 389 + 268

  • Ones: 9 + 8 = 17 — write 7, carry 1.
  • Tens: 8 + 6 + 1 = 15 — write 5, carry 1.
  • Hundreds: 3 + 2 + 1 = 6 — write 6.

389 + 268 = 657

Second check: 657 − 389 = 268

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Column additions with 268

ExampleSum
268 + 268536
291 + 268559
307 + 268575
325 + 268593
348 + 268616
354 + 268622
376 + 268644
389 + 268657
402 + 268670
427 + 268695
432 + 268700
453 + 268721
468 + 268736
485 + 268753
519 + 268787
532 + 268800
536 + 268804
564 + 268832
578 + 268846
602 + 268870

FAQ

What is 389 + 268?

389 + 268 = 657

How do you check that 389 + 268 = 657?

Subtract one addend from the sum: 657 − 268 = 389, and 657 − 389 = 268. Getting the other addend back means the sum is right.

How many carries are there in 389 + 268?

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 268 + 389 the same as 389 + 268?

Yes. Addition is commutative, so both give 657; the column looks the same with either number on top.

See Also