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    Subtraction with Regrouping: 1,023 − 376

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 1,023 − 376?

    Answer

    1,023 − 376 =
    647

    With regrouping across a zero: 3 borrows — there are no hundreds to borrow from, so 1 thousand becomes 10 hundreds, and 1 hundred goes to the tens

    1,023 − 376 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.
    0911+10
    1(was 1, now 0)0(was 0, now 9)2(was 2, now 11)3 (was 3, now 13)
    −376
    647

    Column by column: 1,023 − 376

    • Ones: 3 is less than 6 — borrow 1 ten: tens 2 → 1; 13 − 6 = 7 — write 7.
    • Tens: after borrowing, 1; 1 is less than 7 — borrow 1 thousand across the zero: thousands 1 → 0, hundreds 0 → 9; 11 − 7 = 4 — write 4.
    • Hundreds: after borrowing, 9; 9 − 3 = 6 — write 6.
    • Thousands: after borrowing, 0 — a leading zero is not written.

    1,023 − 376 = 647

    Second check: 1,023 − 647 = 376

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    1,023 − 376 = 647 - Subtraction with Regrouping. 1,023 − 376 = 647. Subtraction with regrouping step by step: 3 borrows across a zero, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/1023--376/generated.jpgCopy

    Column subtractions of 376

    ExampleDifference
    1,018 − 376642
    1,019 − 376643
    1,020 − 376644
    1,021 − 376645
    1,022 − 376646
    1,023 − 376647
    1,024 − 376648
    1,025 − 376649
    1,026 − 376650
    1,027 − 376651
    1,028 − 376652
    Recalculate with different values ↑

    FAQ

    What is 1,023 − 376?

    1,023 − 376 = 647

    How do you check that 1,023 − 376 = 647?

    Add the difference and the subtrahend: 647 + 376 = 1,023. Getting the minuend back means the difference is right.

    How many times do you borrow in 1,023 − 376?

    3 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 1,023 − 376?

    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