Subtraction with Regrouping: 538 − 85

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 538 − 85?

Answer

538 − 85 =
453

With regrouping: 1 borrow — from the hundreds

538 − 85 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.
4+10
5(was 5, now 4)3 (was 3, now 13)8
−85
453

Column by column: 538 − 85

  • Ones: 8 − 5 = 3 — write 3.
  • Tens: 3 is less than 8 — borrow 1 hundred: hundreds 5 → 4; 13 − 8 = 5 — write 5.
  • Hundreds: after borrowing, 4; nothing to subtract — write 4.

538 − 85 = 453

Second check: 538 − 453 = 85

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See Also

FAQ

What is 538 − 85?

538 − 85 = 453

How do you check that 538 − 85 = 453?

Add the difference and the subtrahend: 453 + 85 = 538. Getting the minuend back means the difference is right.

How many times do you borrow in 538 − 85?

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