Subtraction with Regrouping: 657 − 172

Subtraction with Regrouping Calculator

What is 657 − 172?

Answer

657 − 172 =

485

With regrouping: 1 borrow — from the hundreds

657 − 172 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.
		5	+10
		6(was 6, now 5)	5 (was 5, now 15)	7
	−	1	7	2
		4	8	5

Column by column: 657 − 172

Ones: 7 − 2 = 5 — write 5.
Tens: 5 is less than 7 — borrow 1 hundred: hundreds 6 → 5; 15 − 7 = 8 — write 8.
Hundreds: after borrowing, 5; 5 − 1 = 4 — write 4.

657 − 172 = 485

Second check: 657 − 485 = 172

Similar examples to practise

Related Calculations

485 + 172 = 657 - 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 172

Example	Difference
440 − 172	268
463 − 172	291
479 − 172	307
497 − 172	325
520 − 172	348
526 − 172	354
548 − 172	376
561 − 172	389
574 − 172	402
599 − 172	427
625 − 172	453
640 − 172	468
657 − 172	485
691 − 172	519
708 − 172	536
736 − 172	564
750 − 172	578
774 − 172	602
819 − 172	647
855 − 172	683

FAQ

What is 657 − 172?

657 − 172 = 485

How do you check that 657 − 172 = 485?

Add the difference and the subtrahend: 485 + 172 = 657. Getting the minuend back means the difference is right.

How many times do you borrow in 657 − 172?

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