Addition with Regrouping: 98 + 28

Addition with Regrouping Calculator
First addend
Second addend

What is 98 + 28?

Answer

98 + 28 =
126

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

98 + 28 in a column. Carries are the small circled digits above the columns.
1carry1carry
9 8
+28
126

Column by column: 98 + 28

  • Ones: 8 + 8 = 16 — write 6, carry 1.
  • Tens: 9 + 2 + 1 = 12 — write 2, carry 1.
  • Hundreds: the carried 1 — write 1.

98 + 28 = 126

Second check: 126 − 98 = 28

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FAQ

What is 98 + 28?

98 + 28 = 126

How do you check that 98 + 28 = 126?

Subtract one addend from the sum: 126 − 28 = 98, and 126 − 98 = 28. Getting the other addend back means the sum is right.

How many carries are there in 98 + 28?

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 28 + 98 the same as 98 + 28?

Yes. Addition is commutative, so both give 126; the column looks the same with either number on top.

See Also