Addition with Regrouping: 268 + 187

Addition with Regrouping Calculator
First addend
Second addend

What is 268 + 187?

Answer

268 + 187 =
455

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

268 + 187 in a column. Carries are the small circled digits above the columns.
1carry1carry
2 6 8
+187
455

Column by column: 268 + 187

  • Ones: 8 + 7 = 15 — write 5, carry 1.
  • Tens: 6 + 8 + 1 = 15 — write 5, carry 1.
  • Hundreds: 2 + 1 + 1 = 4 — write 4.

268 + 187 = 455

Second check: 455 − 268 = 187

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Column additions with 187

ExampleSum
187 + 187374
203 + 187390
214 + 187401
239 + 187426
256 + 187443
268 + 187455
291 + 187478
307 + 187494
325 + 187512
348 + 187535
354 + 187541
376 + 187563
389 + 187576
402 + 187589
427 + 187614
453 + 187640
468 + 187655
485 + 187672
519 + 187706
536 + 187723

FAQ

What is 268 + 187?

268 + 187 = 455

How do you check that 268 + 187 = 455?

Subtract one addend from the sum: 455 − 187 = 268, and 455 − 268 = 187. Getting the other addend back means the sum is right.

How many carries are there in 268 + 187?

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 187 + 268 the same as 268 + 187?

Yes. Addition is commutative, so both give 455; the column looks the same with either number on top.

See Also