Subtraction with Regrouping: 331 − 92

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 331 − 92?

Answer

331 − 92 =
239

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

331 − 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.
212+10
3(was 3, now 2)3(was 3, now 12)1 (was 1, now 11)
−92
239

Column by column: 331 − 92

  • Ones: 1 is less than 2 — borrow 1 ten: tens 3 → 2; 11 − 2 = 9 — write 9.
  • Tens: after borrowing, 2; 2 is less than 9 — borrow 1 hundred: hundreds 3 → 2; 12 − 9 = 3 — write 3.
  • Hundreds: after borrowing, 2; nothing to subtract — write 2.

331 − 92 = 239

Second check: 331 − 239 = 92

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Column subtractions of 92

ExampleDifference
184 − 9292
186 − 9294
190 − 9298
197 − 92105
228 − 92136
264 − 92172
295 − 92203
331 − 92239
360 − 92268
399 − 92307
400 − 92308
440 − 92348
468 − 92376
494 − 92402
500 − 92408
545 − 92453
577 − 92485
600 − 92508
628 − 92536
670 − 92578

FAQ

What is 331 − 92?

331 − 92 = 239

How do you check that 331 − 92 = 239?

Add the difference and the subtrahend: 239 + 92 = 331. Getting the minuend back means the difference is right.

How many times do you borrow in 331 − 92?

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

See Also