Column Subtraction: 79 − 34

Subtraction with Regrouping Calculator

What is 79 − 34?

Answer

79 − 34 =

45

No regrouping: each column is subtracted on its own

79 − 34 in a column. No borrowing.
		7	9
	−	3	4
		4	5

Column by column: 79 − 34

Ones: 9 − 4 = 5 — write 5.
Tens: 7 − 3 = 4 — write 4.

79 − 34 = 45

Second check: 79 − 45 = 34

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Related Calculations

45 + 34 = 79 - Column Addition

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
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

FAQ

What is 79 − 34?

79 − 34 = 45

How do you check that 79 − 34 = 45?

Add the difference and the subtrahend: 45 + 34 = 79. Getting the minuend back means the difference is right.

How many times do you borrow in 79 − 34?

Not once: every top digit is at least as large as the digit below it.

See Also