Subtraction with Regrouping: 512 − 256

Subtraction with Regrouping Calculator

What is 512 − 256?

Answer

512 − 256 =

256

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

512 − 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.
		4	10	+10
		5(was 5, now 4)	1(was 1, now 10)	2 (was 2, now 12)
	−	2	5	6
		2	5	6

Column by column: 512 − 256

Ones: 2 is less than 6 — borrow 1 ten: tens 1 → 0; 12 − 6 = 6 — write 6.
Tens: after borrowing, 0; 0 is less than 5 — borrow 1 hundred: hundreds 5 → 4; 10 − 5 = 5 — write 5.
Hundreds: after borrowing, 4; 4 − 2 = 2 — write 2.

512 − 256 = 256

Similar examples to practise

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See Also

Addition with Regrouping Calculator - Column addition step by step, with every carry
Long Division Calculator - Step-by-step long division with detailed explanation
Long Multiplication Calculator - Column multiplication with partial products, step by step
Subtracting Fractions Calculator - Subtract fractions, mixed numbers and whole numbers step by step

Recalculate with different values ↑

Column subtractions of 256

Example	Difference
512 − 256	256
524 − 256	268
547 − 256	291
563 − 256	307
581 − 256	325
600 − 256	344
604 − 256	348
610 − 256	354
632 − 256	376
645 − 256	389
658 − 256	402
683 − 256	427
709 − 256	453
724 − 256	468
741 − 256	485
775 − 256	519
792 − 256	536
820 − 256	564
834 − 256	578
858 − 256	602

FAQ

What is 512 − 256?

512 − 256 = 256

How do you check that 512 − 256 = 256?

Add the difference and the subtrahend: 256 + 256 = 512. Getting the minuend back means the difference is right.

How many times do you borrow in 512 − 256?

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

See Also