Subtraction with Regrouping: 672 − 187

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 672 − 187?

Answer

672 − 187 =
485

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

672 − 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.
516+10
6(was 6, now 5)7(was 7, now 16)2 (was 2, now 12)
−187
485

Column by column: 672 − 187

  • Ones: 2 is less than 7 — borrow 1 ten: tens 7 → 6; 12 − 7 = 5 — write 5.
  • Tens: after borrowing, 6; 6 is less than 8 — borrow 1 hundred: hundreds 6 → 5; 16 − 8 = 8 — write 8.
  • Hundreds: after borrowing, 5; 5 − 1 = 4 — write 4.

672 − 187 = 485

Second check: 672 − 485 = 187

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455 − 187268
478 − 187291
494 − 187307
512 − 187325
535 − 187348
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563 − 187376
576 − 187389
589 − 187402
614 − 187427
640 − 187453
655 − 187468
672 − 187485
706 − 187519
723 − 187536
751 − 187564
765 − 187578
789 − 187602
834 − 187647
870 − 187683

FAQ

What is 672 − 187?

672 − 187 = 485

How do you check that 672 − 187 = 485?

Add the difference and the subtrahend: 485 + 187 = 672. Getting the minuend back means the difference is right.

How many times do you borrow in 672 − 187?

2 borrows: 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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