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    Addition with Regrouping: 172 + 83

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 172 + 83?

    Answer

    172 + 83 =
    255

    With regrouping: 1 carry — into the hundreds

    172 + 83 in a column. Carries are the small circled digits above the columns.
    1carry
    1 7 2
    +83
    255

    Column by column: 172 + 83

    • Ones: 2 + 3 = 5 — write 5.
    • Tens: 7 + 8 = 15 — write 5, carry 1.
    • Hundreds: 1 + 1 = 2 — write 2.

    172 + 83 = 255

    Second check: 255 − 172 = 83

    Similar examples to practise

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    https://calculat.io/en/number/long-addition/172--83Copy
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    172 + 83 = 255 - Addition with Regrouping. 172 + 83 = 255. Addition with regrouping step by step: 1 carry, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/172--83/generated.jpgCopy

    Column additions with 83

    ExampleSum
    83 + 83166
    85 + 83168
    89 + 83172
    92 + 83175
    94 + 83177
    98 + 83181
    105 + 83188
    117 + 83200
    136 + 83219
    172 + 83255
    203 + 83286
    217 + 83300
    239 + 83322
    268 + 83351
    307 + 83390
    317 + 83400
    348 + 83431
    376 + 83459
    402 + 83485
    417 + 83500
    Recalculate with different values ↑

    FAQ

    What is 172 + 83?

    172 + 83 = 255

    How do you check that 172 + 83 = 255?

    Subtract one addend from the sum: 255 − 83 = 172, and 255 − 172 = 83. Getting the other addend back means the sum is right.

    How many carries are there in 172 + 83?

    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 83 + 172 the same as 172 + 83?

    Yes. Addition is commutative, so both give 255; the column looks the same with either number on top.

    See Also