Subtraction with Regrouping: 497 − 149

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 497 − 149?

Answer

497 − 149 =
348

With regrouping: 1 borrow — from the tens

497 − 149 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.
8+10
4 9(was 9, now 8)7 (was 7, now 17)
−149
348

Column by column: 497 − 149

  • Ones: 7 is less than 9 — borrow 1 ten: tens 9 → 8; 17 − 9 = 8 — write 8.
  • Tens: after borrowing, 8; 8 − 4 = 4 — write 4.
  • Hundreds: 4 − 1 = 3 — write 3.

497 − 149 = 348

Second check: 497 − 348 = 149

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Column subtractions of 149

ExampleDifference
336 − 149187
352 − 149203
363 − 149214
388 − 149239
400 − 149251
405 − 149256
417 − 149268
440 − 149291
456 − 149307
474 − 149325
497 − 149348
500 − 149351
503 − 149354
525 − 149376
538 − 149389
551 − 149402
576 − 149427
600 − 149451
602 − 149453
617 − 149468

FAQ

What is 497 − 149?

497 − 149 = 348

How do you check that 497 − 149 = 348?

Add the difference and the subtrahend: 348 + 149 = 497. Getting the minuend back means the difference is right.

How many times do you borrow in 497 − 149?

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

See Also