Column Addition: 987,654 + 12,345

Addition with Regrouping Calculator
First addend
Second addend

What is 987,654 + 12,345?

Answer

987,654 + 12,345 =
999,999

No regrouping: each column is added on its own

987,654 + 12,345 in a column. No carries.
9 8 7 6 5 4
+12345
999999

Column by column: 987,654 + 12,345

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

987,654 + 12,345 = 999,999

Second check: 999,999 − 987,654 = 12,345

Similar examples to practise

Related Calculations

See Also

Recalculate with different values ↑

Column additions with 987,654

ExampleSum
987,654 + 1,234988,888
987,654 + 2,468990,122
987,654 + 3,579991,233
987,654 + 4,805992,459
987,654 + 5,096992,750
987,654 + 6,713994,367
987,654 + 7,350995,004
987,654 + 8,042995,696
987,654 + 12,345999,999
987,654 + 23,4561,011,110
987,654 + 45,0891,032,743
987,654 + 70,3121,057,966
987,654 + 123,4561,111,110
987,654 + 405,0671,392,721
987,654 + 987,6541,975,308

FAQ

What is 987,654 + 12,345?

987,654 + 12,345 = 999,999

How do you check that 987,654 + 12,345 = 999,999?

Subtract one addend from the sum: 999,999 − 12,345 = 987,654, and 999,999 − 987,654 = 12,345. Getting the other addend back means the sum is right.

How many carries are there in 987,654 + 12,345?

None: no column adds up to 10 or more, so every digit of the sum is written straight away.

Is 12,345 + 987,654 the same as 987,654 + 12,345?

Yes. Addition is commutative, so both give 999,999; the column looks the same with either number on top.

See Also