Column Subtraction: 68 − 23

Subtraction with Regrouping Calculator

What is 68 − 23?

Answer

68 − 23 =

45

No regrouping: each column is subtracted on its own

68 − 23 in a column. No borrowing.
		6	8
	−	2	3
		4	5

Column by column: 68 − 23

Ones: 8 − 3 = 5 — write 5.
Tens: 6 − 2 = 4 — write 4.

68 − 23 = 45

Second check: 68 − 45 = 23

Similar examples to practise

Related Calculations

45 + 23 = 68 - 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 68 − 23?

68 − 23 = 45

How do you check that 68 − 23 = 45?

Add the difference and the subtrahend: 45 + 23 = 68. Getting the minuend back means the difference is right.

How many times do you borrow in 68 − 23?

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

See Also