Subtraction with Regrouping: 542 − 89

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 542 − 89?

Answer

542 − 89 =
453

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

542 − 89 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.
413+10
5(was 5, now 4)4(was 4, now 13)2 (was 2, now 12)
−89
453

Column by column: 542 − 89

  • Ones: 2 is less than 9 — borrow 1 ten: tens 4 → 3; 12 − 9 = 3 — write 3.
  • Tens: after borrowing, 3; 3 is less than 8 — borrow 1 hundred: hundreds 5 → 4; 13 − 8 = 5 — write 5.
  • Hundreds: after borrowing, 4; nothing to subtract — write 4.

542 − 89 = 453

Second check: 542 − 453 = 89

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See Also

FAQ

What is 542 − 89?

542 − 89 = 453

How do you check that 542 − 89 = 453?

Add the difference and the subtrahend: 453 + 89 = 542. Getting the minuend back means the difference is right.

How many times do you borrow in 542 − 89?

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