Subtraction with Regrouping: 855 − 291

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 855 − 291?

Answer

855 − 291 =
564

With regrouping: 1 borrow — from the hundreds

855 − 291 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
8(was 8, now 7)5 (was 5, now 15)5
−291
564

Column by column: 855 − 291

  • Ones: 5 − 1 = 4 — write 4.
  • Tens: 5 is less than 9 — borrow 1 hundred: hundreds 8 → 7; 15 − 9 = 6 — write 6.
  • Hundreds: after borrowing, 7; 7 − 2 = 5 — write 5.

855 − 291 = 564

Second check: 855 − 564 = 291

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FAQ

What is 855 − 291?

855 − 291 = 564

How do you check that 855 − 291 = 564?

Add the difference and the subtrahend: 564 + 291 = 855. Getting the minuend back means the difference is right.

How many times do you borrow in 855 − 291?

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