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Subtraction with Regrouping: 73 − 34

Subtraction with Regrouping Calculator

What is 73 − 34?

Answer

73 − 34 =

39

With regrouping: 1 borrow — from the tens

73 − 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.
		6	+10
		7(was 7, now 6)	3 (was 3, now 13)
	−	3	4
		3	9

Column by column: 73 − 34

Ones: 3 is less than 4 — borrow 1 ten: tens 7 → 6; 13 − 4 = 9 — write 9.
Tens: after borrowing, 6; 6 − 3 = 3 — write 3.

73 − 34 = 39

Second check: 73 − 39 = 34

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Related Calculations

39 + 34 = 73 - 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

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<a href="https://calculat.io/en/number/long-subtraction/73--34">73 − 34 = 39 - Subtraction with Regrouping - Calculatio</a>

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73 − 34 = 39 - Subtraction with Regrouping. 73 − 34 = 39. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.

https://calculat.io/en/number/long-subtraction/73--34/generated.jpg

Column subtractions of 34

Example	Difference
68 − 34	34
70 − 34	36
73 − 34	39
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

Recalculate with different values ↑

FAQ

What is 73 − 34?

73 − 34 = 39

How do you check that 73 − 34 = 39?

Add the difference and the subtrahend: 39 + 34 = 73. Getting the minuend back means the difference is right.

How many times do you borrow in 73 − 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