Addition with Regrouping: 123,456 + 2,468

Addition with Regrouping Calculator
First addend
Second addend

What is 123,456 + 2,468?

Answer

123,456 + 2,468 =
125,924

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

123,456 + 2,468 in a column. Carries are the small circled digits above the columns.
1carry1carry
1 2 3 4 5 6
+2468
125924

Column by column: 123,456 + 2,468

  • Ones: 6 + 8 = 14 — write 4, carry 1.
  • Tens: 5 + 6 + 1 = 12 — write 2, carry 1.
  • Hundreds: 4 + 4 + 1 = 9 — write 9.
  • Thousands: 3 + 2 = 5 — write 5.
  • Ten thousands: nothing to add — write 2.
  • Hundred thousands: nothing to add — write 1.

123,456 + 2,468 = 125,924

Second check: 125,924 − 123,456 = 2,468

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Column additions with 2,468

ExampleSum
123,451 + 2,468125,919
123,452 + 2,468125,920
123,453 + 2,468125,921
123,454 + 2,468125,922
123,455 + 2,468125,923
123,456 + 2,468125,924
123,457 + 2,468125,925
123,458 + 2,468125,926
123,459 + 2,468125,927
123,460 + 2,468125,928
123,461 + 2,468125,929

FAQ

What is 123,456 + 2,468?

123,456 + 2,468 = 125,924

How do you check that 123,456 + 2,468 = 125,924?

Subtract one addend from the sum: 125,924 − 2,468 = 123,456, and 125,924 − 123,456 = 2,468. Getting the other addend back means the sum is right.

How many carries are there in 123,456 + 2,468?

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 2,468 + 123,456 the same as 123,456 + 2,468?

Yes. Addition is commutative, so both give 125,924; the column looks the same with either number on top.

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