Addition with Regrouping: 94 + 15

Addition with Regrouping Calculator
First addend
Second addend

What is 94 + 15?

Answer

94 + 15 =
109

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

94 + 15 in a column. Carries are the small circled digits above the columns.
1carry
9 4
+15
109

Column by column: 94 + 15

  • Ones: 4 + 5 = 9 — write 9.
  • Tens: 9 + 1 = 10 — write 0, carry 1.
  • Hundreds: the carried 1 — write 1.

94 + 15 = 109

Second check: 109 − 94 = 15

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FAQ

What is 94 + 15?

94 + 15 = 109

How do you check that 94 + 15 = 109?

Subtract one addend from the sum: 109 − 15 = 94, and 109 − 94 = 15. Getting the other addend back means the sum is right.

How many carries are there in 94 + 15?

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 15 + 94 the same as 94 + 15?

Yes. Addition is commutative, so both give 109; the column looks the same with either number on top.