Subtraction with Regrouping: 123 − 52

Subtraction with Regrouping Calculator

What is 123 − 52?

Answer

123 − 52 =

71

With regrouping: 1 borrow — from the hundreds

123 − 52 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.
		0	+10
		1(was 1, now 0)	2 (was 2, now 12)	3
	−		5	2
			7	1

Column by column: 123 − 52

Ones: 3 − 2 = 1 — write 1.
Tens: 2 is less than 5 — borrow 1 hundred: hundreds 1 → 0; 12 − 5 = 7 — write 7.
Hundreds: after borrowing, 0 — a leading zero is not written.

123 − 52 = 71

Second check: 123 − 71 = 52

Similar examples to practise

Related Calculations

71 + 52 = 123 - 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 52

Example	Difference
104 − 52	52
106 − 52	54
110 − 52	58
115 − 52	63
117 − 52	65
119 − 52	67
121 − 52	69
123 − 52	71
126 − 52	74
128 − 52	76
130 − 52	78
135 − 52	83
137 − 52	85
141 − 52	89
144 − 52	92
146 − 52	94
150 − 52	98
157 − 52	105
188 − 52	136
224 − 52	172

FAQ

What is 123 − 52?

123 − 52 = 71

How do you check that 123 − 52 = 71?

Add the difference and the subtrahend: 71 + 52 = 123. Getting the minuend back means the difference is right.

How many times do you borrow in 123 − 52?

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