Column Addition: 987,654 + 1,234

Addition with Regrouping Calculator
First addend
Second addend

What is 987,654 + 1,234?

Answer

987,654 + 1,234 =
988,888

No regrouping: each column is added on its own

987,654 + 1,234 in a column. No carries.
9 8 7 6 5 4
+1234
988888

Column by column: 987,654 + 1,234

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

987,654 + 1,234 = 988,888

Second check: 988,888 − 987,654 = 1,234

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Column additions with 1,234

ExampleSum
1,234 + 1,2342,468
2,468 + 1,2343,702
3,579 + 1,2344,813
4,805 + 1,2346,039
5,096 + 1,2346,330
6,713 + 1,2347,947
7,350 + 1,2348,584
8,042 + 1,2349,276
12,345 + 1,23413,579
23,456 + 1,23424,690
45,089 + 1,23446,323
70,312 + 1,23471,546
123,456 + 1,234124,690
405,067 + 1,234406,301
987,654 + 1,234988,888

FAQ

What is 987,654 + 1,234?

987,654 + 1,234 = 988,888

How do you check that 987,654 + 1,234 = 988,888?

Subtract one addend from the sum: 988,888 − 1,234 = 987,654, and 988,888 − 987,654 = 1,234. Getting the other addend back means the sum is right.

How many carries are there in 987,654 + 1,234?

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

Is 1,234 + 987,654 the same as 987,654 + 1,234?

Yes. Addition is commutative, so both give 988,888; the column looks the same with either number on top.

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