Addition with Regrouping: 45,089 + 4,805

Addition with Regrouping Calculator
First addend
Second addend

What is 45,089 + 4,805?

Answer

45,089 + 4,805 =
49,894

With regrouping: 1 carry — into the tens

45,089 + 4,805 in a column. Carries are the small circled digits above the columns.
1carry
4 5 0 8 9
+4805
49894

Column by column: 45,089 + 4,805

  • Ones: 9 + 5 = 14 — write 4, carry 1.
  • Tens: 8 + 0 + 1 = 9 — write 9.
  • Hundreds: 0 + 8 = 8 — write 8.
  • Thousands: 5 + 4 = 9 — write 9.
  • Ten thousands: nothing to add — write 4.

45,089 + 4,805 = 49,894

Second check: 49,894 − 45,089 = 4,805

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FAQ

What is 45,089 + 4,805?

45,089 + 4,805 = 49,894

How do you check that 45,089 + 4,805 = 49,894?

Subtract one addend from the sum: 49,894 − 4,805 = 45,089, and 49,894 − 45,089 = 4,805. Getting the other addend back means the sum is right.

How many carries are there in 45,089 + 4,805?

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 4,805 + 45,089 the same as 45,089 + 4,805?

Yes. Addition is commutative, so both give 49,894; the column looks the same with either number on top.

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