Subtraction with Regrouping: 313 − 74

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 313 − 74?

Answer

313 − 74 =
239

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

313 − 74 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)3 (was 3, now 13)
−74
239

Column by column: 313 − 74

  • Ones: 3 is less than 4 — borrow 1 ten: tens 1 → 0; 13 − 4 = 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.

313 − 74 = 239

Second check: 313 − 239 = 74

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Column subtractions of 74

ExampleDifference
157 − 7483
159 − 7485
163 − 7489
166 − 7492
168 − 7494
172 − 7498
179 − 74105
210 − 74136
246 − 74172
277 − 74203
313 − 74239
342 − 74268
381 − 74307
400 − 74326
422 − 74348
450 − 74376
476 − 74402
500 − 74426
527 − 74453
559 − 74485

FAQ

What is 313 − 74?

313 − 74 = 239

How do you check that 313 − 74 = 239?

Add the difference and the subtrahend: 239 + 74 = 313. Getting the minuend back means the difference is right.

How many times do you borrow in 313 − 74?

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