Addition with Regrouping: 105 + 58

Addition with Regrouping Calculator
First addend
Second addend

What is 105 + 58?

Answer

105 + 58 =
163

With regrouping: 1 carry — into the tens

105 + 58 in a column. Carries are the small circled digits above the columns.
1carry
1 0 5
+58
163

Column by column: 105 + 58

  • Ones: 5 + 8 = 13 — write 3, carry 1.
  • Tens: 0 + 5 + 1 = 6 — write 6.
  • Hundreds: nothing to add — write 1.

105 + 58 = 163

Second check: 163 − 105 = 58

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FAQ

What is 105 + 58?

105 + 58 = 163

How do you check that 105 + 58 = 163?

Subtract one addend from the sum: 163 − 58 = 105, and 163 − 105 = 58. Getting the other addend back means the sum is right.

How many carries are there in 105 + 58?

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 58 + 105 the same as 105 + 58?

Yes. Addition is commutative, so both give 163; the column looks the same with either number on top.