Subtraction with Regrouping: 505 − 52

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 505 − 52?

Answer

505 − 52 =
453

With regrouping: 1 borrow — from the hundreds

505 − 52 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)0 (was 0, now 10)5
−52
453

Column by column: 505 − 52

  • Ones: 5 − 2 = 3 — write 3.
  • Tens: 0 is less than 5 — borrow 1 hundred: hundreds 5 → 4; 10 − 5 = 5 — write 5.
  • Hundreds: after borrowing, 4; nothing to subtract — write 4.

505 − 52 = 453

Second check: 505 − 453 = 52

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See Also

FAQ

What is 505 − 52?

505 − 52 = 453

How do you check that 505 − 52 = 453?

Add the difference and the subtrahend: 453 + 52 = 505. Getting the minuend back means the difference is right.

How many times do you borrow in 505 − 52?

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