Column Subtraction: 77 − 23

Subtraction with Regrouping Calculator

What is 77 − 23?

Answer

77 − 23 =

54

No regrouping: each column is subtracted on its own

77 − 23 in a column. No borrowing.
		7	7
	−	2	3
		5	4

Column by column: 77 − 23

Ones: 7 − 3 = 4 — write 4.
Tens: 7 − 2 = 5 — write 5.

77 − 23 = 54

Second check: 77 − 54 = 23

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Related Calculations

54 + 23 = 77 - 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 23

Example	Difference
46 − 23	23
49 − 23	26
51 − 23	28
57 − 23	34
59 − 23	36
62 − 23	39
64 − 23	41
68 − 23	45
70 − 23	47
75 − 23	52
77 − 23	54
81 − 23	58
86 − 23	63
88 − 23	65
90 − 23	67
92 − 23	69
94 − 23	71
97 − 23	74
99 − 23	76
100 − 23	77

FAQ

What is 77 − 23?

77 − 23 = 54

How do you check that 77 − 23 = 54?

Add the difference and the subtrahend: 54 + 23 = 77. Getting the minuend back means the difference is right.

How many times do you borrow in 77 − 23?

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

See Also