Subtraction with Regrouping: 257 − 85

Subtraction with Regrouping Calculator

What is 257 − 85?

Answer

257 − 85 =

172

With regrouping: 1 borrow — from the hundreds

257 − 85 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.
		1	+10
		2(was 2, now 1)	5 (was 5, now 15)	7
	−		8	5
		1	7	2

Column by column: 257 − 85

Ones: 7 − 5 = 2 — write 2.
Tens: 5 is less than 8 — borrow 1 hundred: hundreds 2 → 1; 15 − 8 = 7 — write 7.
Hundreds: after borrowing, 1; nothing to subtract — write 1.

257 − 85 = 172

Second check: 257 − 172 = 85

Similar examples to practise

Related Calculations

172 + 85 = 257 - 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 85

Example	Difference
170 − 85	85
174 − 85	89
177 − 85	92
179 − 85	94
183 − 85	98
190 − 85	105
221 − 85	136
257 − 85	172
288 − 85	203
324 − 85	239
353 − 85	268
392 − 85	307
433 − 85	348
461 − 85	376
487 − 85	402
538 − 85	453
570 − 85	485
621 − 85	536
663 − 85	578
732 − 85	647

FAQ

What is 257 − 85?

257 − 85 = 172

How do you check that 257 − 85 = 172?

Add the difference and the subtrahend: 172 + 85 = 257. Getting the minuend back means the difference is right.

How many times do you borrow in 257 − 85?

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