Subtraction with Regrouping: 67 − 28

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 67 − 28?

Answer

67 − 28 =
39

With regrouping: 1 borrow — from the tens

67 − 28 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.
5+10
6(was 6, now 5)7 (was 7, now 17)
−28
39

Column by column: 67 − 28

  • Ones: 7 is less than 8 — borrow 1 ten: tens 6 → 5; 17 − 8 = 9 — write 9.
  • Tens: after borrowing, 5; 5 − 2 = 3 — write 3.

67 − 28 = 39

Second check: 67 − 39 = 28

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FAQ

What is 67 − 28?

67 − 28 = 39

How do you check that 67 − 28 = 39?

Add the difference and the subtrahend: 39 + 28 = 67. Getting the minuend back means the difference is right.

How many times do you borrow in 67 − 28?

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