Subtraction with Regrouping: 781 − 354

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 781 − 354?

Answer

781 − 354 =
427

With regrouping: 1 borrow — from the tens

781 − 354 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.
7+10
7 8(was 8, now 7)1 (was 1, now 11)
−354
427

Column by column: 781 − 354

  • Ones: 1 is less than 4 — borrow 1 ten: tens 8 → 7; 11 − 4 = 7 — write 7.
  • Tens: after borrowing, 7; 7 − 5 = 2 — write 2.
  • Hundreds: 7 − 3 = 4 — write 4.

781 − 354 = 427

Second check: 781 − 427 = 354

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FAQ

What is 781 − 354?

781 − 354 = 427

How do you check that 781 − 354 = 427?

Add the difference and the subtrahend: 427 + 354 = 781. Getting the minuend back means the difference is right.

How many times do you borrow in 781 − 354?

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