Addition with Regrouping: 405,067 + 4,805

Addition with Regrouping Calculator
First addend
Second addend

What is 405,067 + 4,805?

Answer

405,067 + 4,805 =
409,872

With regrouping: 1 carry — into the tens

405,067 + 4,805 in a column. Carries are the small circled digits above the columns.
1carry
4 0 5 0 6 7
+4805
409872

Column by column: 405,067 + 4,805

  • Ones: 7 + 5 = 12 — write 2, carry 1.
  • Tens: 6 + 0 + 1 = 7 — write 7.
  • Hundreds: 0 + 8 = 8 — write 8.
  • Thousands: 5 + 4 = 9 — write 9.
  • Ten thousands: nothing to add — write 0.
  • Hundred thousands: nothing to add — write 4.

405,067 + 4,805 = 409,872

Second check: 409,872 − 405,067 = 4,805

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Column additions with 4,805

ExampleSum
405,062 + 4,805409,867
405,063 + 4,805409,868
405,064 + 4,805409,869
405,065 + 4,805409,870
405,066 + 4,805409,871
405,067 + 4,805409,872
405,068 + 4,805409,873
405,069 + 4,805409,874
405,070 + 4,805409,875
405,071 + 4,805409,876
405,072 + 4,805409,877

FAQ

What is 405,067 + 4,805?

405,067 + 4,805 = 409,872

How do you check that 405,067 + 4,805 = 409,872?

Subtract one addend from the sum: 409,872 − 4,805 = 405,067, and 409,872 − 405,067 = 4,805. Getting the other addend back means the sum is right.

How many carries are there in 405,067 + 4,805?

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 4,805 + 405,067 the same as 405,067 + 4,805?

Yes. Addition is commutative, so both give 409,872; the column looks the same with either number on top.

See Also