Column Subtraction: 99 − 28

Subtraction with Regrouping Calculator

What is 99 − 28?

Answer

99 − 28 =

71

No regrouping: each column is subtracted on its own

99 − 28 in a column. No borrowing.
		9	9
	−	2	8
		7	1

Column by column: 99 − 28

Ones: 9 − 8 = 1 — write 1.
Tens: 9 − 2 = 7 — write 7.

99 − 28 = 71

Second check: 99 − 71 = 28

Similar examples to practise

Related Calculations

71 + 28 = 99 - 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 28

Example	Difference
69 − 28	41
73 − 28	45
75 − 28	47
80 − 28	52
82 − 28	54
86 − 28	58
91 − 28	63
93 − 28	65
95 − 28	67
97 − 28	69
99 − 28	71
100 − 28	72
102 − 28	74
104 − 28	76
106 − 28	78
111 − 28	83
113 − 28	85
117 − 28	89
120 − 28	92
122 − 28	94

FAQ

What is 99 − 28?

99 − 28 = 71

How do you check that 99 − 28 = 71?

Add the difference and the subtrahend: 71 + 28 = 99. Getting the minuend back means the difference is right.

How many times do you borrow in 99 − 28?

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

See Also