Subtraction with Regrouping: 124 − 41

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 124 − 41?

Answer

124 − 41 =
83

With regrouping: 1 borrow — from the hundreds

124 − 41 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.
0+10
1(was 1, now 0)2 (was 2, now 12)4
−41
83

Column by column: 124 − 41

  • Ones: 4 − 1 = 3 — write 3.
  • Tens: 2 is less than 4 — borrow 1 hundred: hundreds 1 → 0; 12 − 4 = 8 — write 8.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

124 − 41 = 83

Second check: 124 − 83 = 41

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See Also

FAQ

What is 124 − 41?

124 − 41 = 83

How do you check that 124 − 41 = 83?

Add the difference and the subtrahend: 83 + 41 = 124. Getting the minuend back means the difference is right.

How many times do you borrow in 124 − 41?

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