Addition with Regrouping: 58 + 17

Addition with Regrouping Calculator
First addend
Second addend

What is 58 + 17?

Answer

58 + 17 =
75

With regrouping: 1 carry — into the tens

58 + 17 in a column. Carries are the small circled digits above the columns.
1carry
5 8
+17
75

Column by column: 58 + 17

  • Ones: 8 + 7 = 15 — write 5, carry 1.
  • Tens: 5 + 1 + 1 = 7 — write 7.

58 + 17 = 75

Second check: 75 − 58 = 17

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FAQ

What is 58 + 17?

58 + 17 = 75

How do you check that 58 + 17 = 75?

Subtract one addend from the sum: 75 − 17 = 58, and 75 − 58 = 17. Getting the other addend back means the sum is right.

How many carries are there in 58 + 17?

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 17 + 58 the same as 58 + 17?

Yes. Addition is commutative, so both give 75; the column looks the same with either number on top.