Addition with Regrouping: 214 + 128

Addition with Regrouping Calculator
First addend
Second addend

What is 214 + 128?

Answer

214 + 128 =
342

With regrouping: 1 carry — into the tens

214 + 128 in a column. Carries are the small circled digits above the columns.
1carry
2 1 4
+128
342

Column by column: 214 + 128

  • Ones: 4 + 8 = 12 — write 2, carry 1.
  • Tens: 1 + 2 + 1 = 4 — write 4.
  • Hundreds: 2 + 1 = 3 — write 3.

214 + 128 = 342

Second check: 342 − 214 = 128

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Column additions with 128

ExampleSum
128 + 128256
136 + 128264
149 + 128277
172 + 128300
187 + 128315
203 + 128331
214 + 128342
239 + 128367
256 + 128384
268 + 128396
291 + 128419
307 + 128435
325 + 128453
348 + 128476
354 + 128482
376 + 128504
389 + 128517
402 + 128530
427 + 128555
453 + 128581

FAQ

What is 214 + 128?

214 + 128 = 342

How do you check that 214 + 128 = 342?

Subtract one addend from the sum: 342 − 128 = 214, and 342 − 214 = 128. Getting the other addend back means the sum is right.

How many carries are there in 214 + 128?

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 128 + 214 the same as 214 + 128?

Yes. Addition is commutative, so both give 342; the column looks the same with either number on top.

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