Addition with Regrouping: 7,350 + 3,579

Addition with Regrouping Calculator
First addend
Second addend

What is 7,350 + 3,579?

Answer

7,350 + 3,579 =
10,929

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

7,350 + 3,579 in a column. Carries are the small circled digits above the columns.
1carry1carry
7 3 5 0
+3579
10929

Column by column: 7,350 + 3,579

  • Ones: 0 + 9 = 9 — write 9.
  • Tens: 5 + 7 = 12 — write 2, carry 1.
  • Hundreds: 3 + 5 + 1 = 9 — write 9.
  • Thousands: 7 + 3 = 10 — write 0, carry 1.
  • Ten thousands: the carried 1 — write 1.

7,350 + 3,579 = 10,929

Second check: 10,929 − 7,350 = 3,579

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Column additions with 3,579

ExampleSum
7,345 + 3,57910,924
7,346 + 3,57910,925
7,347 + 3,57910,926
7,348 + 3,57910,927
7,349 + 3,57910,928
7,350 + 3,57910,929
7,351 + 3,57910,930
7,352 + 3,57910,931
7,353 + 3,57910,932
7,354 + 3,57910,933
7,355 + 3,57910,934

FAQ

What is 7,350 + 3,579?

7,350 + 3,579 = 10,929

How do you check that 7,350 + 3,579 = 10,929?

Subtract one addend from the sum: 10,929 − 3,579 = 7,350, and 10,929 − 7,350 = 3,579. Getting the other addend back means the sum is right.

How many carries are there in 7,350 + 3,579?

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 3,579 + 7,350 the same as 7,350 + 3,579?

Yes. Addition is commutative, so both give 10,929; the column looks the same with either number on top.

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