Subtraction with Regrouping: 128 − 34

Subtraction with Regrouping Calculator

What is 128 − 34?

Answer

128 − 34 =

94

With regrouping: 1 borrow — from the hundreds

128 − 34 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
		0	+10
		1(was 1, now 0)	2 (was 2, now 12)	8
	−		3	4
			9	4

Column by column: 128 − 34

Ones: 8 − 4 = 4 — write 4.
Tens: 2 is less than 3 — borrow 1 hundred: hundreds 1 → 0; 12 − 3 = 9 — write 9.
Hundreds: after borrowing, 0 — a leading zero is not written.

128 − 34 = 94

Second check: 128 − 94 = 34

Similar examples to practise

Related Calculations

94 + 34 = 128 - Addition with Regrouping

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
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
126 − 34	92
128 − 34	94
132 − 34	98
139 − 34	105
170 − 34	136
206 − 34	172
237 − 34	203
273 − 34	239
302 − 34	268
341 − 34	307
382 − 34	348

FAQ

What is 128 − 34?

128 − 34 = 94

How do you check that 128 − 34 = 94?

Add the difference and the subtrahend: 94 + 34 = 128. Getting the minuend back means the difference is right.

How many times do you borrow in 128 − 34?

1 borrow: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.

See Also