Addition with Regrouping: 647 + 76

Addition with Regrouping Calculator
First addend
Second addend

What is 647 + 76?

Answer

647 + 76 =
723

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

647 + 76 in a column. Carries are the small circled digits above the columns.
1carry1carry
6 4 7
+76
723

Column by column: 647 + 76

  • Ones: 7 + 6 = 13 — write 3, carry 1.
  • Tens: 4 + 7 + 1 = 12 — write 2, carry 1.
  • Hundreds: 6 + 1 = 7 — write 7.

647 + 76 = 723

Second check: 723 − 647 = 76

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Column additions with 76

ExampleSum
92 + 76168
94 + 76170
98 + 76174
105 + 76181
124 + 76200
136 + 76212
172 + 76248
203 + 76279
224 + 76300
239 + 76315
268 + 76344
307 + 76383
348 + 76424
376 + 76452
402 + 76478
453 + 76529
485 + 76561
536 + 76612
578 + 76654
647 + 76723

FAQ

What is 647 + 76?

647 + 76 = 723

How do you check that 647 + 76 = 723?

Subtract one addend from the sum: 723 − 76 = 647, and 723 − 647 = 76. Getting the other addend back means the sum is right.

How many carries are there in 647 + 76?

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 76 + 647 the same as 647 + 76?

Yes. Addition is commutative, so both give 723; the column looks the same with either number on top.

See Also