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    Subtraction with Regrouping: 1,097 − 519

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 1,097 − 519?

    Answer

    1,097 − 519 =
    578

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

    1,097 − 519 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.
    0+108+10
    1(was 1, now 0)0 (was 0, now 10)9(was 9, now 8)7 (was 7, now 17)
    −519
    578

    Column by column: 1,097 − 519

    • Ones: 7 is less than 9 — borrow 1 ten: tens 9 → 8; 17 − 9 = 8 — write 8.
    • Tens: after borrowing, 8; 8 − 1 = 7 — write 7.
    • Hundreds: 0 is less than 5 — borrow 1 thousand: thousands 1 → 0; 10 − 5 = 5 — write 5.
    • Thousands: after borrowing, 0 — a leading zero is not written.

    1,097 − 519 = 578

    Second check: 1,097 − 578 = 519

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    1,097 − 519 = 578 - Subtraction with Regrouping. 1,097 − 519 = 578. Subtraction with regrouping step by step: 2 borrows, every digit of the difference and an addition check.
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    FAQ

    What is 1,097 − 519?

    1,097 − 519 = 578

    How do you check that 1,097 − 519 = 578?

    Add the difference and the subtrahend: 578 + 519 = 1,097. Getting the minuend back means the difference is right.

    How many times do you borrow in 1,097 − 519?

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