Addition with Regrouping: 71 + 63

Addition with Regrouping Calculator
First addend
Second addend

What is 71 + 63?

Answer

71 + 63 =
134

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

71 + 63 in a column. Carries are the small circled digits above the columns.
1carry
7 1
+63
134

Column by column: 71 + 63

  • Ones: 1 + 3 = 4 — write 4.
  • Tens: 7 + 6 = 13 — write 3, carry 1.
  • Hundreds: the carried 1 — write 1.

71 + 63 = 134

Second check: 134 − 71 = 63

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FAQ

What is 71 + 63?

71 + 63 = 134

How do you check that 71 + 63 = 134?

Subtract one addend from the sum: 134 − 63 = 71, and 134 − 71 = 63. Getting the other addend back means the sum is right.

How many carries are there in 71 + 63?

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 63 + 71 the same as 71 + 63?

Yes. Addition is commutative, so both give 134; the column looks the same with either number on top.