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    Subtraction with Regrouping: 12,155 − 4,805

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 12,155 − 4,805?

    Answer

    12,155 − 4,805 =
    7,350

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

    12,155 − 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.
    011+10
    1(was 1, now 0)2(was 2, now 11)1 (was 1, now 11)5 5
    −4805
    7350

    Column by column: 12,155 − 4,805

    • Ones: 5 − 5 = 0 — write 0.
    • Tens: 5 − 0 = 5 — write 5.
    • Hundreds: 1 is less than 8 — borrow 1 thousand: thousands 2 → 1; 11 − 8 = 3 — write 3.
    • Thousands: after borrowing, 1; 1 is less than 4 — borrow 1 ten thousand: ten thousands 1 → 0; 11 − 4 = 7 — write 7.
    • Ten thousands: after borrowing, 0 — a leading zero is not written.

    12,155 − 4,805 = 7,350

    Second check: 12,155 − 7,350 = 4,805

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    12,155 − 4,805 = 7,350 - Subtraction with Regrouping. 12,155 − 4,805 = 7,350. Subtraction with regrouping step by step: 2 borrows, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/12155--4805/generated.jpgCopy

    Column subtractions of 4,805

    ExampleDifference
    12,150 − 4,8057,345
    12,151 − 4,8057,346
    12,152 − 4,8057,347
    12,153 − 4,8057,348
    12,154 − 4,8057,349
    12,155 − 4,8057,350
    12,156 − 4,8057,351
    12,157 − 4,8057,352
    12,158 − 4,8057,353
    12,159 − 4,8057,354
    12,160 − 4,8057,355
    Recalculate with different values ↑

    FAQ

    What is 12,155 − 4,805?

    12,155 − 4,805 = 7,350

    How do you check that 12,155 − 4,805 = 7,350?

    Add the difference and the subtrahend: 7,350 + 4,805 = 12,155. Getting the minuend back means the difference is right.

    How many times do you borrow in 12,155 − 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