Addition with Regrouping: 187 + 149

Addition with Regrouping Calculator
First addend
Second addend

What is 187 + 149?

Answer

187 + 149 =
336

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

187 + 149 in a column. Carries are the small circled digits above the columns.
1carry1carry
1 8 7
+149
336

Column by column: 187 + 149

  • Ones: 7 + 9 = 16 — write 6, carry 1.
  • Tens: 8 + 4 + 1 = 13 — write 3, carry 1.
  • Hundreds: 1 + 1 + 1 = 3 — write 3.

187 + 149 = 336

Second check: 336 − 187 = 149

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FAQ

What is 187 + 149?

187 + 149 = 336

How do you check that 187 + 149 = 336?

Subtract one addend from the sum: 336 − 149 = 187, and 336 − 187 = 149. Getting the other addend back means the sum is right.

How many carries are there in 187 + 149?

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 149 + 187 the same as 187 + 149?

Yes. Addition is commutative, so both give 336; the column looks the same with either number on top.