Subtraction with Regrouping: 437 − 89

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 437 − 89?

Answer

437 − 89 =
348

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

437 − 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.
312+10
4(was 4, now 3)3(was 3, now 12)7 (was 7, now 17)
−89
348

Column by column: 437 − 89

  • Ones: 7 is less than 9 — borrow 1 ten: tens 3 → 2; 17 − 9 = 8 — write 8.
  • Tens: after borrowing, 2; 2 is less than 8 — borrow 1 hundred: hundreds 4 → 3; 12 − 8 = 4 — write 4.
  • Hundreds: after borrowing, 3; nothing to subtract — write 3.

437 − 89 = 348

Second check: 437 − 348 = 89

Similar examples to practise

See Also

FAQ

What is 437 − 89?

437 − 89 = 348

How do you check that 437 − 89 = 348?

Add the difference and the subtrahend: 348 + 89 = 437. Getting the minuend back means the difference is right.

How many times do you borrow in 437 − 89?

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