Addition with Regrouping: 602 + 453

Addition with Regrouping Calculator
First addend
Second addend

What is 602 + 453?

Answer

602 + 453 =
1,055

The sum is longer than the addends: 1 carry — into the thousands; the last one makes a new digit

602 + 453 in a column. Carries are the small circled digits above the columns.
1carry
6 0 2
+453
1055

Column by column: 602 + 453

  • Ones: 2 + 3 = 5 — write 5.
  • Tens: 0 + 5 = 5 — write 5.
  • Hundreds: 6 + 4 = 10 — write 0, carry 1.
  • Thousands: the carried 1 — write 1.

602 + 453 = 1,055

Second check: 1,055 − 602 = 453

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FAQ

What is 602 + 453?

602 + 453 = 1,055

How do you check that 602 + 453 = 1,055?

Subtract one addend from the sum: 1,055 − 453 = 602, and 1,055 − 602 = 453. Getting the other addend back means the sum is right.

How many carries are there in 602 + 453?

1 carry: 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 453 + 602 the same as 602 + 453?

Yes. Addition is commutative, so both give 1,055; the column looks the same with either number on top.

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