Subtraction with Regrouping: 284 − 45

Subtraction with Regrouping Calculator

What is 284 − 45?

Answer

284 − 45 =

239

With regrouping: 1 borrow — from the tens

284 − 45 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.
			7	+10
		2	8(was 8, now 7)	4 (was 4, now 14)
	−		4	5
		2	3	9

Column by column: 284 − 45

Ones: 4 is less than 5 — borrow 1 ten: tens 8 → 7; 14 − 5 = 9 — write 9.
Tens: after borrowing, 7; 7 − 4 = 3 — write 3.
Hundreds: nothing to subtract — write 2.

284 − 45 = 239

Second check: 284 − 239 = 45

Similar examples to practise

Related Calculations

239 + 45 = 284 - 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 45

Example	Difference
128 − 45	83
130 − 45	85
134 − 45	89
137 − 45	92
139 − 45	94
143 − 45	98
150 − 45	105
181 − 45	136
217 − 45	172
248 − 45	203
284 − 45	239
313 − 45	268
352 − 45	307
393 − 45	348
421 − 45	376
447 − 45	402
498 − 45	453
530 − 45	485
581 − 45	536
623 − 45	578

FAQ

What is 284 − 45?

284 − 45 = 239

How do you check that 284 − 45 = 239?

Add the difference and the subtrahend: 239 + 45 = 284. Getting the minuend back means the difference is right.

How many times do you borrow in 284 − 45?

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