Subtraction with Regrouping: 419 − 71

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 419 − 71?

Answer

419 − 71 =
348

With regrouping: 1 borrow — from the hundreds

419 − 71 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.
3+10
4(was 4, now 3)1 (was 1, now 11)9
−71
348

Column by column: 419 − 71

  • Ones: 9 − 1 = 8 — write 8.
  • Tens: 1 is less than 7 — borrow 1 hundred: hundreds 4 → 3; 11 − 7 = 4 — write 4.
  • Hundreds: after borrowing, 3; nothing to subtract — write 3.

419 − 71 = 348

Second check: 419 − 348 = 71

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See Also

FAQ

What is 419 − 71?

419 − 71 = 348

How do you check that 419 − 71 = 348?

Add the difference and the subtrahend: 348 + 71 = 419. Getting the minuend back means the difference is right.

How many times do you borrow in 419 − 71?

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