Subtraction with Regrouping: 657 − 268

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 657 − 268?

Answer

657 − 268 =
389

With regrouping: 2 borrows — from the tens and the hundreds

657 − 268 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.
514+10
6(was 6, now 5)5(was 5, now 14)7 (was 7, now 17)
−268
389

Column by column: 657 − 268

  • Ones: 7 is less than 8 — borrow 1 ten: tens 5 → 4; 17 − 8 = 9 — write 9.
  • Tens: after borrowing, 4; 4 is less than 6 — borrow 1 hundred: hundreds 6 → 5; 14 − 6 = 8 — write 8.
  • Hundreds: after borrowing, 5; 5 − 2 = 3 — write 3.

657 − 268 = 389

Second check: 657 − 389 = 268

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FAQ

What is 657 − 268?

657 − 268 = 389

How do you check that 657 − 268 = 389?

Add the difference and the subtrahend: 389 + 268 = 657. Getting the minuend back means the difference is right.

How many times do you borrow in 657 − 268?

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