Addition with Regrouping: 239 + 85

Addition with Regrouping Calculator
First addend
Second addend

What is 239 + 85?

Answer

239 + 85 =
324

With regrouping: 2 carries — into the tens and the hundreds

239 + 85 in a column. Carries are the small circled digits above the columns.
1carry1carry
2 3 9
+85
324

Column by column: 239 + 85

  • Ones: 9 + 5 = 14 — write 4, carry 1.
  • Tens: 3 + 8 + 1 = 12 — write 2, carry 1.
  • Hundreds: 2 + 1 = 3 — write 3.

239 + 85 = 324

Second check: 324 − 239 = 85

Similar examples to practise

See Also

FAQ

What is 239 + 85?

239 + 85 = 324

How do you check that 239 + 85 = 324?

Subtract one addend from the sum: 324 − 85 = 239, and 324 − 239 = 85. Getting the other addend back means the sum is right.

How many carries are there in 239 + 85?

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 85 + 239 the same as 239 + 85?

Yes. Addition is commutative, so both give 324; the column looks the same with either number on top.