Addition with Regrouping: 58 + 39

Addition with Regrouping Calculator
First addend
Second addend

What is 58 + 39?

Answer

58 + 39 =
97

With regrouping: 1 carry — into the tens

58 + 39 in a column. Carries are the small circled digits above the columns.
1carry
5 8
+39
97

Column by column: 58 + 39

  • Ones: 8 + 9 = 17 — write 7, carry 1.
  • Tens: 5 + 3 + 1 = 9 — write 9.

58 + 39 = 97

Second check: 97 − 58 = 39

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FAQ

What is 58 + 39?

58 + 39 = 97

How do you check that 58 + 39 = 97?

Subtract one addend from the sum: 97 − 39 = 58, and 97 − 58 = 39. Getting the other addend back means the sum is right.

How many carries are there in 58 + 39?

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 39 + 58 the same as 58 + 39?

Yes. Addition is commutative, so both give 97; the column looks the same with either number on top.