Addition with Regrouping: 405,067 + 8,042

Addition with Regrouping Calculator
First addend
Second addend

What is 405,067 + 8,042?

Answer

405,067 + 8,042 =
413,109

With regrouping: 2 carries — into the hundreds and the ten thousands

405,067 + 8,042 in a column. Carries are the small circled digits above the columns.
1carry1carry
4 0 5 0 6 7
+8042
413109

Column by column: 405,067 + 8,042

  • Ones: 7 + 2 = 9 — write 9.
  • Tens: 6 + 4 = 10 — write 0, carry 1.
  • Hundreds: 0 + 0 + 1 = 1 — write 1.
  • Thousands: 5 + 8 = 13 — write 3, carry 1.
  • Ten thousands: 0 + 1 = 1 — write 1.
  • Hundred thousands: nothing to add — write 4.

405,067 + 8,042 = 413,109

Second check: 413,109 − 405,067 = 8,042

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Column additions with 8,042

ExampleSum
405,062 + 8,042413,104
405,063 + 8,042413,105
405,064 + 8,042413,106
405,065 + 8,042413,107
405,066 + 8,042413,108
405,067 + 8,042413,109
405,068 + 8,042413,110
405,069 + 8,042413,111
405,070 + 8,042413,112
405,071 + 8,042413,113
405,072 + 8,042413,114

FAQ

What is 405,067 + 8,042?

405,067 + 8,042 = 413,109

How do you check that 405,067 + 8,042 = 413,109?

Subtract one addend from the sum: 413,109 − 8,042 = 405,067, and 413,109 − 405,067 = 8,042. Getting the other addend back means the sum is right.

How many carries are there in 405,067 + 8,042?

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 8,042 + 405,067 the same as 405,067 + 8,042?

Yes. Addition is commutative, so both give 413,109; the column looks the same with either number on top.

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