Subtraction with Regrouping: 577 − 92

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 577 − 92?

Answer

577 − 92 =
485

With regrouping: 1 borrow — from the hundreds

577 − 92 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)7 (was 7, now 17)7
−92
485

Column by column: 577 − 92

  • Ones: 7 − 2 = 5 — write 5.
  • Tens: 7 is less than 9 — borrow 1 hundred: hundreds 5 → 4; 17 − 9 = 8 — write 8.
  • Hundreds: after borrowing, 4; nothing to subtract — write 4.

577 − 92 = 485

Second check: 577 − 485 = 92

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See Also

FAQ

What is 577 − 92?

577 − 92 = 485

How do you check that 577 − 92 = 485?

Add the difference and the subtrahend: 485 + 92 = 577. Getting the minuend back means the difference is right.

How many times do you borrow in 577 − 92?

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