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    Subtraction with Regrouping: 17,150 − 4,805

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 17,150 − 4,805?

    Answer

    17,150 − 4,805 =
    12,345

    With regrouping: 2 borrows — from the tens and the thousands

    17,150 − 4,805 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
    6+104+10
    1 7(was 7, now 6)1 (was 1, now 11)5(was 5, now 4)0 (was 0, now 10)
    −4805
    12345

    Column by column: 17,150 − 4,805

    • Ones: 0 is less than 5 — borrow 1 ten: tens 5 → 4; 10 − 5 = 5 — write 5.
    • Tens: after borrowing, 4; 4 − 0 = 4 — write 4.
    • Hundreds: 1 is less than 8 — borrow 1 thousand: thousands 7 → 6; 11 − 8 = 3 — write 3.
    • Thousands: after borrowing, 6; 6 − 4 = 2 — write 2.
    • Ten thousands: nothing to subtract — write 1.

    17,150 − 4,805 = 12,345

    Second check: 17,150 − 12,345 = 4,805

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    17,150 − 4,805 = 12,345 - Subtraction with Regrouping. 17,150 − 4,805 = 12,345. Subtraction with regrouping step by step: 2 borrows, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/17150--4805/generated.jpgCopy

    Column subtractions of 4,805

    ExampleDifference
    17,145 − 4,80512,340
    17,146 − 4,80512,341
    17,147 − 4,80512,342
    17,148 − 4,80512,343
    17,149 − 4,80512,344
    17,150 − 4,80512,345
    17,151 − 4,80512,346
    17,152 − 4,80512,347
    17,153 − 4,80512,348
    17,154 − 4,80512,349
    17,155 − 4,80512,350
    Recalculate with different values ↑

    FAQ

    What is 17,150 − 4,805?

    17,150 − 4,805 = 12,345

    How do you check that 17,150 − 4,805 = 12,345?

    Add the difference and the subtrahend: 12,345 + 4,805 = 17,150. Getting the minuend back means the difference is right.

    How many times do you borrow in 17,150 − 4,805?

    2 borrows: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.

    See Also