Addition with Regrouping: 83 + 34

Addition with Regrouping Calculator
First addend
Second addend

What is 83 + 34?

Answer

83 + 34 =
117

The sum is longer than the addends: 1 carry — into the hundreds; the last one makes a new digit

83 + 34 in a column. Carries are the small circled digits above the columns.
1carry
8 3
+34
117

Column by column: 83 + 34

  • Ones: 3 + 4 = 7 — write 7.
  • Tens: 8 + 3 = 11 — write 1, carry 1.
  • Hundreds: the carried 1 — write 1.

83 + 34 = 117

Second check: 117 − 83 = 34

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FAQ

What is 83 + 34?

83 + 34 = 117

How do you check that 83 + 34 = 117?

Subtract one addend from the sum: 117 − 34 = 83, and 117 − 83 = 34. Getting the other addend back means the sum is right.

How many carries are there in 83 + 34?

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 34 + 83 the same as 83 + 34?

Yes. Addition is commutative, so both give 117; the column looks the same with either number on top.