Addition with Regrouping: 92 + 28

Addition with Regrouping Calculator
First addend
Second addend

What is 92 + 28?

Answer

92 + 28 =
120

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

92 + 28 in a column. Carries are the small circled digits above the columns.
1carry1carry
9 2
+28
120

Column by column: 92 + 28

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

92 + 28 = 120

Second check: 120 − 92 = 28

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FAQ

What is 92 + 28?

92 + 28 = 120

How do you check that 92 + 28 = 120?

Subtract one addend from the sum: 120 − 28 = 92, and 120 − 92 = 28. Getting the other addend back means the sum is right.

How many carries are there in 92 + 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 + 92 the same as 92 + 28?

Yes. Addition is commutative, so both give 120; the column looks the same with either number on top.