Subtraction with Regrouping: 494 − 187

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 494 − 187?

Answer

494 − 187 =
307

With regrouping: 1 borrow — from the tens

494 − 187 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)4 (was 4, now 14)
−187
307

Column by column: 494 − 187

  • Ones: 4 is less than 7 — borrow 1 ten: tens 9 → 8; 14 − 7 = 7 — write 7.
  • Tens: after borrowing, 8; 8 − 8 = 0 — write 0.
  • Hundreds: 4 − 1 = 3 — write 3.

494 − 187 = 307

Second check: 494 − 307 = 187

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Column subtractions of 187

ExampleDifference
374 − 187187
390 − 187203
401 − 187214
426 − 187239
443 − 187256
455 − 187268
478 − 187291
494 − 187307
512 − 187325
535 − 187348
541 − 187354
563 − 187376
576 − 187389
589 − 187402
614 − 187427
640 − 187453
655 − 187468
672 − 187485
706 − 187519
723 − 187536

FAQ

What is 494 − 187?

494 − 187 = 307

How do you check that 494 − 187 = 307?

Add the difference and the subtrahend: 307 + 187 = 494. Getting the minuend back means the difference is right.

How many times do you borrow in 494 − 187?

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

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