Subtraction with Regrouping: 491 − 89

Subtraction with Regrouping Calculator

What is 491 − 89?

Answer

491 − 89 =

402

With regrouping: 1 borrow — from the tens

491 − 89 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.
			8	+10
		4	9(was 9, now 8)	1 (was 1, now 11)
	−		8	9
		4	0	2

Column by column: 491 − 89

Ones: 1 is less than 9 — borrow 1 ten: tens 9 → 8; 11 − 9 = 2 — write 2.
Tens: after borrowing, 8; 8 − 8 = 0 — write 0.
Hundreds: nothing to subtract — write 4.

491 − 89 = 402

Second check: 491 − 402 = 89

Similar examples to practise

Related Calculations

402 + 89 = 491 - 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 89

Example	Difference
181 − 89	92
183 − 89	94
187 − 89	98
194 − 89	105
200 − 89	111
225 − 89	136
261 − 89	172
292 − 89	203
300 − 89	211
328 − 89	239
357 − 89	268
396 − 89	307
437 − 89	348
465 − 89	376
491 − 89	402
542 − 89	453
574 − 89	485
625 − 89	536
667 − 89	578
736 − 89	647

FAQ

What is 491 − 89?

491 − 89 = 402

How do you check that 491 − 89 = 402?

Add the difference and the subtrahend: 402 + 89 = 491. Getting the minuend back means the difference is right.

How many times do you borrow in 491 − 89?

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