Subtraction with Regrouping: 723 − 76

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 723 − 76?

Answer

723 − 76 =
647

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

723 − 76 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.
611+10
7(was 7, now 6)2(was 2, now 11)3 (was 3, now 13)
−76
647

Column by column: 723 − 76

  • Ones: 3 is less than 6 — borrow 1 ten: tens 2 → 1; 13 − 6 = 7 — write 7.
  • Tens: after borrowing, 1; 1 is less than 7 — borrow 1 hundred: hundreds 7 → 6; 11 − 7 = 4 — write 4.
  • Hundreds: after borrowing, 6; nothing to subtract — write 6.

723 − 76 = 647

Second check: 723 − 647 = 76

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Column subtractions of 76

ExampleDifference
168 − 7692
170 − 7694
174 − 7698
181 − 76105
200 − 76124
212 − 76136
248 − 76172
279 − 76203
300 − 76224
315 − 76239
344 − 76268
383 − 76307
424 − 76348
452 − 76376
478 − 76402
529 − 76453
561 − 76485
612 − 76536
654 − 76578
723 − 76647

FAQ

What is 723 − 76?

723 − 76 = 647

How do you check that 723 − 76 = 647?

Add the difference and the subtrahend: 647 + 76 = 723. Getting the minuend back means the difference is right.

How many times do you borrow in 723 − 76?

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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