Subtraction with Regrouping: 342 − 74

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 342 − 74?

Answer

342 − 74 =
268

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

342 − 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.
213+10
3(was 3, now 2)4(was 4, now 13)2 (was 2, now 12)
−74
268

Column by column: 342 − 74

  • Ones: 2 is less than 4 — borrow 1 ten: tens 4 → 3; 12 − 4 = 8 — write 8.
  • Tens: after borrowing, 3; 3 is less than 7 — borrow 1 hundred: hundreds 3 → 2; 13 − 7 = 6 — write 6.
  • Hundreds: after borrowing, 2; nothing to subtract — write 2.

342 − 74 = 268

Second check: 342 − 268 = 74

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Column subtractions of 74

ExampleDifference
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
600 − 74526

FAQ

What is 342 − 74?

342 − 74 = 268

How do you check that 342 − 74 = 268?

Add the difference and the subtrahend: 268 + 74 = 342. Getting the minuend back means the difference is right.

How many times do you borrow in 342 − 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