Addition with Regrouping: 864 + 36

Addition with Regrouping Calculator
First addend
Second addend

What is 864 + 36?

Answer

864 + 36 =
900

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

864 + 36 in a column. Carries are the small circled digits above the columns.
1carry1carry
8 6 4
+36
900

Column by column: 864 + 36

  • Ones: 4 + 6 = 10 — write 0, carry 1.
  • Tens: 6 + 3 + 1 = 10 — write 0, carry 1.
  • Hundreds: 8 + 1 = 9 — write 9.

864 + 36 = 900

Second check: 900 − 864 = 36

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Recalculate with different values ↑

Column additions with 36

ExampleSum
203 + 36239
239 + 36275
264 + 36300
268 + 36304
307 + 36343
348 + 36384
376 + 36412
402 + 36438
453 + 36489
485 + 36521
536 + 36572
578 + 36614
647 + 36683
664 + 36700
764 + 36800
864 + 36900
964 + 361,000
1,964 + 362,000
4,964 + 365,000
9,964 + 3610,000

FAQ

What is 864 + 36?

864 + 36 = 900

How do you check that 864 + 36 = 900?

Subtract one addend from the sum: 900 − 36 = 864, and 900 − 864 = 36. Getting the other addend back means the sum is right.

How many carries are there in 864 + 36?

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 36 + 864 the same as 864 + 36?

Yes. Addition is commutative, so both give 900; the column looks the same with either number on top.

See Also