Subtraction with Regrouping: 224 − 52

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 224 − 52?

Answer

224 − 52 =
172

With regrouping: 1 borrow — from the hundreds

224 − 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.
1+10
2(was 2, now 1)2 (was 2, now 12)4
−52
172

Column by column: 224 − 52

  • Ones: 4 − 2 = 2 — write 2.
  • Tens: 2 is less than 5 — borrow 1 hundred: hundreds 2 → 1; 12 − 5 = 7 — write 7.
  • Hundreds: after borrowing, 1; nothing to subtract — write 1.

224 − 52 = 172

Second check: 224 − 172 = 52

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FAQ

What is 224 − 52?

224 − 52 = 172

How do you check that 224 − 52 = 172?

Add the difference and the subtrahend: 172 + 52 = 224. Getting the minuend back means the difference is right.

How many times do you borrow in 224 − 52?

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