Addition with Regrouping: 98 + 63

Addition with Regrouping Calculator
First addend
Second addend

What is 98 + 63?

Answer

98 + 63 =
161

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

98 + 63 in a column. Carries are the small circled digits above the columns.
1carry1carry
9 8
+63
161

Column by column: 98 + 63

  • Ones: 8 + 3 = 11 — write 1, carry 1.
  • Tens: 9 + 6 + 1 = 16 — write 6, carry 1.
  • Hundreds: the carried 1 — write 1.

98 + 63 = 161

Second check: 161 − 98 = 63

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FAQ

What is 98 + 63?

98 + 63 = 161

How do you check that 98 + 63 = 161?

Subtract one addend from the sum: 161 − 63 = 98, and 161 − 98 = 63. Getting the other addend back means the sum is right.

How many carries are there in 98 + 63?

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 63 + 98 the same as 98 + 63?

Yes. Addition is commutative, so both give 161; the column looks the same with either number on top.