Subtraction with Regrouping: 724 − 239

Subtraction with Regrouping Calculator

What is 724 − 239?

Answer

724 − 239 =

485

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

724 − 239 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.
		6	11	+10
		7(was 7, now 6)	2(was 2, now 11)	4 (was 4, now 14)
	−	2	3	9
		4	8	5

Column by column: 724 − 239

Ones: 4 is less than 9 — borrow 1 ten: tens 2 → 1; 14 − 9 = 5 — write 5.
Tens: after borrowing, 1; 1 is less than 3 — borrow 1 hundred: hundreds 7 → 6; 11 − 3 = 8 — write 8.
Hundreds: after borrowing, 6; 6 − 2 = 4 — write 4.

724 − 239 = 485

Second check: 724 − 485 = 239

Similar examples to practise

Related Calculations

485 + 239 = 724 - Addition with Regrouping

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 239

Example	Difference
507 − 239	268
530 − 239	291
546 − 239	307
564 − 239	325
587 − 239	348
593 − 239	354
615 − 239	376
628 − 239	389
641 − 239	402
666 − 239	427
692 − 239	453
707 − 239	468
724 − 239	485
758 − 239	519
775 − 239	536
803 − 239	564
817 − 239	578
841 − 239	602
886 − 239	647
922 − 239	683

FAQ

What is 724 − 239?

724 − 239 = 485

How do you check that 724 − 239 = 485?

Add the difference and the subtrahend: 485 + 239 = 724. Getting the minuend back means the difference is right.

How many times do you borrow in 724 − 239?

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