Subtraction with Regrouping: 600 − 256

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 600 − 256?

Answer

600 − 256 =
344

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

600 − 256 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.
59+10
6(was 6, now 5)0(was 0, now 9)0 (was 0, now 10)
−256
344

Column by column: 600 − 256

  • Ones: 0 is less than 6 — borrow 1 hundred across the zero: hundreds 6 → 5, tens 0 → 9; 10 − 6 = 4 — write 4.
  • Tens: after borrowing, 9; 9 − 5 = 4 — write 4.
  • Hundreds: after borrowing, 5; 5 − 2 = 3 — write 3.

600 − 256 = 344

Second check: 600 − 344 = 256

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Column subtractions of 256

ExampleDifference
512 − 256256
524 − 256268
547 − 256291
563 − 256307
581 − 256325
600 − 256344
604 − 256348
610 − 256354
632 − 256376
645 − 256389
658 − 256402
683 − 256427
709 − 256453
724 − 256468
741 − 256485
775 − 256519
792 − 256536
820 − 256564
834 − 256578
858 − 256602

FAQ

What is 600 − 256?

600 − 256 = 344

How do you check that 600 − 256 = 344?

Add the difference and the subtrahend: 344 + 256 = 600. Getting the minuend back means the difference is right.

How many times do you borrow in 600 − 256?

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 600 − 256?

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.

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