Subtraction with Regrouping: 681 − 34

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 681 − 34?

Answer

681 − 34 =
647

With regrouping: 1 borrow — from the tens

681 − 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.
7+10
6 8(was 8, now 7)1 (was 1, now 11)
−34
647

Column by column: 681 − 34

  • Ones: 1 is less than 4 — borrow 1 ten: tens 8 → 7; 11 − 4 = 7 — write 7.
  • Tens: after borrowing, 7; 7 − 3 = 4 — write 4.
  • Hundreds: nothing to subtract — write 6.

681 − 34 = 647

Second check: 681 − 647 = 34

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See Also

FAQ

What is 681 − 34?

681 − 34 = 647

How do you check that 681 − 34 = 647?

Add the difference and the subtrahend: 647 + 34 = 681. Getting the minuend back means the difference is right.

How many times do you borrow in 681 − 34?

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