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    Subtraction with Regrouping: 390 − 187

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 390 − 187?

    Answer

    390 − 187 =
    203

    With regrouping: 1 borrow — from the tens

    390 − 187 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.
    8+10
    3 9(was 9, now 8)0 (was 0, now 10)
    −187
    203

    Column by column: 390 − 187

    • Ones: 0 is less than 7 — borrow 1 ten: tens 9 → 8; 10 − 7 = 3 — write 3.
    • Tens: after borrowing, 8; 8 − 8 = 0 — write 0.
    • Hundreds: 3 − 1 = 2 — write 2.

    390 − 187 = 203

    Second check: 390 − 203 = 187

    Similar examples to practise

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    390 − 187 = 203 - Subtraction with Regrouping. 390 − 187 = 203. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/390--187/generated.jpgCopy

    Column subtractions of 187

    ExampleDifference
    374 − 187187
    390 − 187203
    401 − 187214
    426 − 187239
    443 − 187256
    455 − 187268
    478 − 187291
    494 − 187307
    512 − 187325
    535 − 187348
    541 − 187354
    563 − 187376
    576 − 187389
    589 − 187402
    614 − 187427
    640 − 187453
    655 − 187468
    672 − 187485
    706 − 187519
    723 − 187536
    Recalculate with different values ↑

    FAQ

    What is 390 − 187?

    390 − 187 = 203

    How do you check that 390 − 187 = 203?

    Add the difference and the subtrahend: 203 + 187 = 390. Getting the minuend back means the difference is right.

    How many times do you borrow in 390 − 187?

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

    See Also