Addition with Regrouping: 83 + 19

Addition with Regrouping Calculator
First addend
Second addend

What is 83 + 19?

Answer

83 + 19 =
102

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

83 + 19 in a column. Carries are the small circled digits above the columns.
1carry1carry
8 3
+19
102

Column by column: 83 + 19

  • Ones: 3 + 9 = 12 — write 2, carry 1.
  • Tens: 8 + 1 + 1 = 10 — write 0, carry 1.
  • Hundreds: the carried 1 — write 1.

83 + 19 = 102

Second check: 102 − 83 = 19

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FAQ

What is 83 + 19?

83 + 19 = 102

How do you check that 83 + 19 = 102?

Subtract one addend from the sum: 102 − 19 = 83, and 102 − 83 = 19. Getting the other addend back means the sum is right.

How many carries are there in 83 + 19?

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 19 + 83 the same as 83 + 19?

Yes. Addition is commutative, so both give 102; the column looks the same with either number on top.