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    Subtraction with Regrouping: 35,801 − 12,345

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 35,801 − 12,345?

    Answer

    35,801 − 12,345 =
    23,456

    With regrouping across a zero: 2 borrows — there are no tens to borrow from, so 1 hundred becomes 10 tens, and 1 ten goes to the ones

    35,801 − 12,345 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.
    79+10
    3 5 8(was 8, now 7)0(was 0, now 9)1 (was 1, now 11)
    −12345
    23456

    Column by column: 35,801 − 12,345

    • Ones: 1 is less than 5 — borrow 1 hundred across the zero: hundreds 8 → 7, tens 0 → 9; 11 − 5 = 6 — write 6.
    • Tens: after borrowing, 9; 9 − 4 = 5 — write 5.
    • Hundreds: after borrowing, 7; 7 − 3 = 4 — write 4.
    • Thousands: 5 − 2 = 3 — write 3.
    • Ten thousands: 3 − 1 = 2 — write 2.

    35,801 − 12,345 = 23,456

    Second check: 35,801 − 23,456 = 12,345

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    <a href="https://calculat.io/en/number/long-subtraction/35801--12345">35,801 − 12,345 = 23,456 - Subtraction with Regrouping</a>Copy
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    35,801 − 12,345 = 23,456 - Subtraction with Regrouping. 35,801 − 12,345 = 23,456. Subtraction with regrouping step by step: 2 borrows across a zero, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/35801--12345/generated.jpgCopy

    Column subtractions of 12,345

    ExampleDifference
    35,796 − 12,34523,451
    35,797 − 12,34523,452
    35,798 − 12,34523,453
    35,799 − 12,34523,454
    35,800 − 12,34523,455
    35,801 − 12,34523,456
    35,802 − 12,34523,457
    35,803 − 12,34523,458
    35,804 − 12,34523,459
    35,805 − 12,34523,460
    35,806 − 12,34523,461
    Recalculate with different values ↑

    FAQ

    What is 35,801 − 12,345?

    35,801 − 12,345 = 23,456

    How do you check that 35,801 − 12,345 = 23,456?

    Add the difference and the subtrahend: 23,456 + 12,345 = 35,801. Getting the minuend back means the difference is right.

    How many times do you borrow in 35,801 − 12,345?

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

    Why does 0 become 9 when borrowing in 35,801 − 12,345?

    The zero has nothing to lend, so it first borrows 1 from its left neighbour and becomes 10; then it lends 1 to the column on its right and keeps 9.

    See Also