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    Column Addition: 172 + 23

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 172 + 23?

    Answer

    172 + 23 =
    195

    No regrouping: each column is added on its own

    172 + 23 in a column. No carries.
    1 7 2
    +23
    195

    Column by column: 172 + 23

    • Ones: 2 + 3 = 5 — write 5.
    • Tens: 7 + 2 = 9 — write 9.
    • Hundreds: nothing to add — write 1.

    172 + 23 = 195

    Second check: 195 − 172 = 23

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    https://calculat.io/en/number/long-addition/172--23Copy
    <a href="https://calculat.io/en/number/long-addition/172--23">172 + 23 = 195 - Column Addition - Calculatio</a>Copy
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    172 + 23 = 195 - Column Addition. 172 + 23 = 195. Column addition step by step: no carrying, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/172--23/generated.jpgCopy

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    Recalculate with different values ↑

    FAQ

    What is 172 + 23?

    172 + 23 = 195

    How do you check that 172 + 23 = 195?

    Subtract one addend from the sum: 195 − 23 = 172, and 195 − 172 = 23. Getting the other addend back means the sum is right.

    How many carries are there in 172 + 23?

    None: no column adds up to 10 or more, so every digit of the sum is written straight away.

    Is 23 + 172 the same as 172 + 23?

    Yes. Addition is commutative, so both give 195; the column looks the same with either number on top.

    See Also