Addition with Regrouping: 58 + 47

Addition with Regrouping Calculator
First addend
Second addend

What is 58 + 47?

Answer

58 + 47 =
105

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

58 + 47 in a column. Carries are the small circled digits above the columns.
1carry1carry
5 8
+47
105

Column by column: 58 + 47

  • Ones: 8 + 7 = 15 — write 5, carry 1.
  • Tens: 5 + 4 + 1 = 10 — write 0, carry 1.
  • Hundreds: the carried 1 — write 1.

58 + 47 = 105

Second check: 105 − 58 = 47

Similar examples to practise

See Also

FAQ

What is 58 + 47?

58 + 47 = 105

How do you check that 58 + 47 = 105?

Subtract one addend from the sum: 105 − 47 = 58, and 105 − 58 = 47. Getting the other addend back means the sum is right.

How many carries are there in 58 + 47?

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 47 + 58 the same as 58 + 47?

Yes. Addition is commutative, so both give 105; the column looks the same with either number on top.