Subtraction with Regrouping: 315 − 76

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 315 − 76?

Answer

315 − 76 =
239

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

315 − 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.
210+10
3(was 3, now 2)1(was 1, now 10)5 (was 5, now 15)
−76
239

Column by column: 315 − 76

  • Ones: 5 is less than 6 — borrow 1 ten: tens 1 → 0; 15 − 6 = 9 — write 9.
  • Tens: after borrowing, 0; 0 is less than 7 — borrow 1 hundred: hundreds 3 → 2; 10 − 7 = 3 — write 3.
  • Hundreds: after borrowing, 2; nothing to subtract — write 2.

315 − 76 = 239

Second check: 315 − 239 = 76

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Column subtractions of 76

ExampleDifference
165 − 7689
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

FAQ

What is 315 − 76?

315 − 76 = 239

How do you check that 315 − 76 = 239?

Add the difference and the subtrahend: 239 + 76 = 315. Getting the minuend back means the difference is right.

How many times do you borrow in 315 − 76?

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

See Also