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    Subtraction with Regrouping: 3,702 − 1,234

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 3,702 − 1,234?

    Answer

    3,702 − 1,234 =
    2,468

    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

    3,702 − 1,234 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.
    69+10
    3 7(was 7, now 6)0(was 0, now 9)2 (was 2, now 12)
    −1234
    2468

    Column by column: 3,702 − 1,234

    • Ones: 2 is less than 4 — borrow 1 hundred across the zero: hundreds 7 → 6, tens 0 → 9; 12 − 4 = 8 — write 8.
    • Tens: after borrowing, 9; 9 − 3 = 6 — write 6.
    • Hundreds: after borrowing, 6; 6 − 2 = 4 — write 4.
    • Thousands: 3 − 1 = 2 — write 2.

    3,702 − 1,234 = 2,468

    Second check: 3,702 − 2,468 = 1,234

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    https://calculat.io/en/number/long-subtraction/3702--1234Copy
    <a href="https://calculat.io/en/number/long-subtraction/3702--1234">3,702 − 1,234 = 2,468 - Subtraction with Regrouping</a>Copy
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    3,702 − 1,234 = 2,468 - Subtraction with Regrouping. 3,702 − 1,234 = 2,468. 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/3702--1234/generated.jpgCopy

    Column subtractions of 1,234

    ExampleDifference
    2,468 − 1,2341,234
    3,702 − 1,2342,468
    4,813 − 1,2343,579
    6,039 − 1,2344,805
    6,330 − 1,2345,096
    7,947 − 1,2346,713
    8,584 − 1,2347,350
    9,276 − 1,2348,042
    13,579 − 1,23412,345
    24,690 − 1,23423,456
    46,323 − 1,23445,089
    71,546 − 1,23470,312
    124,690 − 1,234123,456
    406,301 − 1,234405,067
    988,888 − 1,234987,654
    Recalculate with different values ↑

    FAQ

    What is 3,702 − 1,234?

    3,702 − 1,234 = 2,468

    How do you check that 3,702 − 1,234 = 2,468?

    Add the difference and the subtrahend: 2,468 + 1,234 = 3,702. Getting the minuend back means the difference is right.

    How many times do you borrow in 3,702 − 1,234?

    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 3,702 − 1,234?

    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