Subtraction with Regrouping: 524 − 39

Subtraction with Regrouping Calculator

What is 524 − 39?

Answer

524 − 39 =

485

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

524 − 39 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	11	+10
		5(was 5, now 4)	2(was 2, now 11)	4 (was 4, now 14)
	−		3	9
		4	8	5

Column by column: 524 − 39

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 5 → 4; 11 − 3 = 8 — write 8.
Hundreds: after borrowing, 4; nothing to subtract — write 4.

524 − 39 = 485

Second check: 524 − 485 = 39

Similar examples to practise

Related Calculations

485 + 39 = 524 - 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 39

Example	Difference
133 − 39	94
137 − 39	98
144 − 39	105
175 − 39	136
211 − 39	172
242 − 39	203
278 − 39	239
307 − 39	268
346 − 39	307
387 − 39	348
400 − 39	361
415 − 39	376
441 − 39	402
492 − 39	453
500 − 39	461
524 − 39	485
575 − 39	536
600 − 39	561
617 − 39	578
686 − 39	647

FAQ

What is 524 − 39?

524 − 39 = 485

How do you check that 524 − 39 = 485?

Add the difference and the subtrahend: 485 + 39 = 524. Getting the minuend back means the difference is right.

How many times do you borrow in 524 − 39?

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