Addition with Regrouping: 7,350 + 4,805

Addition with Regrouping Calculator
First addend
Second addend

What is 7,350 + 4,805?

Answer

7,350 + 4,805 =
12,155

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

7,350 + 4,805 in a column. Carries are the small circled digits above the columns.
1carry1carry
7 3 5 0
+4805
12155

Column by column: 7,350 + 4,805

  • Ones: 0 + 5 = 5 — write 5.
  • Tens: 5 + 0 = 5 — write 5.
  • Hundreds: 3 + 8 = 11 — write 1, carry 1.
  • Thousands: 7 + 4 + 1 = 12 — write 2, carry 1.
  • Ten thousands: the carried 1 — write 1.

7,350 + 4,805 = 12,155

Second check: 12,155 − 7,350 = 4,805

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FAQ

What is 7,350 + 4,805?

7,350 + 4,805 = 12,155

How do you check that 7,350 + 4,805 = 12,155?

Subtract one addend from the sum: 12,155 − 4,805 = 7,350, and 12,155 − 7,350 = 4,805. Getting the other addend back means the sum is right.

How many carries are there in 7,350 + 4,805?

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 4,805 + 7,350 the same as 7,350 + 4,805?

Yes. Addition is commutative, so both give 12,155; the column looks the same with either number on top.

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