Addition with Regrouping: 217 + 83

Addition with Regrouping Calculator
First addend
Second addend

What is 217 + 83?

Answer

217 + 83 =
300

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

217 + 83 in a column. Carries are the small circled digits above the columns.
1carry1carry
2 1 7
+83
300

Column by column: 217 + 83

  • Ones: 7 + 3 = 10 — write 0, carry 1.
  • Tens: 1 + 8 + 1 = 10 — write 0, carry 1.
  • Hundreds: 2 + 1 = 3 — write 3.

217 + 83 = 300

Second check: 300 − 217 = 83

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85 + 83168
89 + 83172
92 + 83175
94 + 83177
98 + 83181
105 + 83188
117 + 83200
136 + 83219
172 + 83255
203 + 83286
217 + 83300
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268 + 83351
307 + 83390
317 + 83400
348 + 83431
376 + 83459
402 + 83485
417 + 83500
453 + 83536

FAQ

What is 217 + 83?

217 + 83 = 300

How do you check that 217 + 83 = 300?

Subtract one addend from the sum: 300 − 83 = 217, and 300 − 217 = 83. Getting the other addend back means the sum is right.

How many carries are there in 217 + 83?

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 83 + 217 the same as 217 + 83?

Yes. Addition is commutative, so both give 300; the column looks the same with either number on top.

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