Addition with Regrouping: 629 + 71

Addition with Regrouping Calculator
First addend
Second addend

What is 629 + 71?

Answer

629 + 71 =
700

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

629 + 71 in a column. Carries are the small circled digits above the columns.
1carry1carry
6 2 9
+71
700

Column by column: 629 + 71

  • Ones: 9 + 1 = 10 — write 0, carry 1.
  • Tens: 2 + 7 + 1 = 10 — write 0, carry 1.
  • Hundreds: 6 + 1 = 7 — write 7.

629 + 71 = 700

Second check: 700 − 629 = 71

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Column additions with 71

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203 + 71274
229 + 71300
239 + 71310
268 + 71339
307 + 71378
348 + 71419
376 + 71447
402 + 71473
453 + 71524
485 + 71556
536 + 71607
578 + 71649
629 + 71700
647 + 71718
729 + 71800
829 + 71900
929 + 711,000
1,929 + 712,000
4,929 + 715,000
9,929 + 7110,000

FAQ

What is 629 + 71?

629 + 71 = 700

How do you check that 629 + 71 = 700?

Subtract one addend from the sum: 700 − 71 = 629, and 700 − 629 = 71. Getting the other addend back means the sum is right.

How many carries are there in 629 + 71?

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 71 + 629 the same as 629 + 71?

Yes. Addition is commutative, so both give 700; the column looks the same with either number on top.

See Also