Subtraction with Regrouping: 48,668 − 3,579

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 48,668 − 3,579?

Answer

48,668 − 3,579 =
45,089

With regrouping: 2 borrows — from the tens and the hundreds

48,668 − 3,579 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.
515+10
4 8 6(was 6, now 5)6(was 6, now 15)8 (was 8, now 18)
−3579
45089

Column by column: 48,668 − 3,579

  • Ones: 8 is less than 9 — borrow 1 ten: tens 6 → 5; 18 − 9 = 9 — write 9.
  • Tens: after borrowing, 5; 5 is less than 7 — borrow 1 hundred: hundreds 6 → 5; 15 − 7 = 8 — write 8.
  • Hundreds: after borrowing, 5; 5 − 5 = 0 — write 0.
  • Thousands: 8 − 3 = 5 — write 5.
  • Ten thousands: nothing to subtract — write 4.

48,668 − 3,579 = 45,089

Second check: 48,668 − 45,089 = 3,579

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FAQ

What is 48,668 − 3,579?

48,668 − 3,579 = 45,089

How do you check that 48,668 − 3,579 = 45,089?

Add the difference and the subtrahend: 45,089 + 3,579 = 48,668. Getting the minuend back means the difference is right.

How many times do you borrow in 48,668 − 3,579?

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