Subtraction with Regrouping: 105 − 34

Subtraction with Regrouping Calculator

What is 105 − 34?

Answer

105 − 34 =

71

With regrouping: 1 borrow — from the hundreds

105 − 34 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)	0 (was 0, now 10)	5
	−		3	4
			7	1

Column by column: 105 − 34

Ones: 5 − 4 = 1 — write 1.
Tens: 0 is less than 3 — borrow 1 hundred: hundreds 1 → 0; 10 − 3 = 7 — write 7.
Hundreds: after borrowing, 0 — a leading zero is not written.

105 − 34 = 71

Second check: 105 − 71 = 34

Similar examples to practise

Related Calculations

71 + 34 = 105 - 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 34

Example	Difference
75 − 34	41
79 − 34	45
81 − 34	47
86 − 34	52
88 − 34	54
92 − 34	58
97 − 34	63
99 − 34	65
101 − 34	67
103 − 34	69
105 − 34	71
108 − 34	74
110 − 34	76
112 − 34	78
117 − 34	83
119 − 34	85
123 − 34	89
126 − 34	92
128 − 34	94
132 − 34	98

FAQ

What is 105 − 34?

105 − 34 = 71

How do you check that 105 − 34 = 71?

Add the difference and the subtrahend: 71 + 34 = 105. Getting the minuend back means the difference is right.

How many times do you borrow in 105 − 34?

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