Column Subtraction: 66 − 12

Subtraction with Regrouping Calculator

What is 66 − 12?

Answer

66 − 12 =

54

No regrouping: each column is subtracted on its own

66 − 12 in a column. No borrowing.
		6	6
	−	1	2
		5	4

Column by column: 66 − 12

Ones: 6 − 2 = 4 — write 4.
Tens: 6 − 1 = 5 — write 5.

66 − 12 = 54

Second check: 66 − 54 = 12

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Related Calculations

54 + 12 = 66 - 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 12

Example	Difference
35 − 12	23
38 − 12	26
40 − 12	28
46 − 12	34
48 − 12	36
51 − 12	39
53 − 12	41
57 − 12	45
59 − 12	47
64 − 12	52
66 − 12	54
70 − 12	58
75 − 12	63
77 − 12	65
79 − 12	67
81 − 12	69
83 − 12	71
86 − 12	74
88 − 12	76
90 − 12	78

FAQ

What is 66 − 12?

66 − 12 = 54

How do you check that 66 − 12 = 54?

Add the difference and the subtrahend: 54 + 12 = 66. Getting the minuend back means the difference is right.

How many times do you borrow in 66 − 12?

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

See Also