Addition with Regrouping: 602 + 468

Addition with Regrouping Calculator
First addend
Second addend

What is 602 + 468?

Answer

602 + 468 =
1,070

The sum is longer than the addends: 2 carries — into the tens and the thousands; the last one makes a new digit

602 + 468 in a column. Carries are the small circled digits above the columns.
1carry1carry
6 0 2
+468
1070

Column by column: 602 + 468

  • Ones: 2 + 8 = 10 — write 0, carry 1.
  • Tens: 0 + 6 + 1 = 7 — write 7.
  • Hundreds: 6 + 4 = 10 — write 0, carry 1.
  • Thousands: the carried 1 — write 1.

602 + 468 = 1,070

Second check: 1,070 − 602 = 468

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FAQ

What is 602 + 468?

602 + 468 = 1,070

How do you check that 602 + 468 = 1,070?

Subtract one addend from the sum: 1,070 − 468 = 602, and 1,070 − 602 = 468. Getting the other addend back means the sum is right.

How many carries are there in 602 + 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 468 + 602 the same as 602 + 468?

Yes. Addition is commutative, so both give 1,070; the column looks the same with either number on top.

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