Subtraction with Regrouping: 683 − 105

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 683 − 105?

Answer

683 − 105 =
578

With regrouping: 1 borrow — from the tens

683 − 105 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)3 (was 3, now 13)
−105
578

Column by column: 683 − 105

  • Ones: 3 is less than 5 — borrow 1 ten: tens 8 → 7; 13 − 5 = 8 — write 8.
  • Tens: after borrowing, 7; 7 − 0 = 7 — write 7.
  • Hundreds: 6 − 1 = 5 — write 5.

683 − 105 = 578

Second check: 683 − 578 = 105

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FAQ

What is 683 − 105?

683 − 105 = 578

How do you check that 683 − 105 = 578?

Add the difference and the subtrahend: 578 + 105 = 683. Getting the minuend back means the difference is right.

How many times do you borrow in 683 − 105?

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