Subtraction with Regrouping: 706 − 187

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 706 − 187?

Answer

706 − 187 =
519

With regrouping across a zero: 2 borrows — there are no tens to borrow from, so 1 hundred becomes 10 tens, and 1 ten goes to the ones

706 − 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.
69+10
7(was 7, now 6)0(was 0, now 9)6 (was 6, now 16)
−187
519

Column by column: 706 − 187

  • Ones: 6 is less than 7 — borrow 1 hundred across the zero: hundreds 7 → 6, tens 0 → 9; 16 − 7 = 9 — write 9.
  • Tens: after borrowing, 9; 9 − 8 = 1 — write 1.
  • Hundreds: after borrowing, 6; 6 − 1 = 5 — write 5.

706 − 187 = 519

Second check: 706 − 519 = 187

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Column subtractions of 187

ExampleDifference
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
751 − 187564
765 − 187578
789 − 187602
834 − 187647
870 − 187683

FAQ

What is 706 − 187?

706 − 187 = 519

How do you check that 706 − 187 = 519?

Add the difference and the subtrahend: 519 + 187 = 706. Getting the minuend back means the difference is right.

How many times do you borrow in 706 − 187?

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

Why does 0 become 9 when borrowing in 706 − 187?

The zero has nothing to lend, so it first borrows 1 from its left neighbour and becomes 10; then it lends 1 to the column on its right and keeps 9.

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