Subtraction with Regrouping: 331 − 63

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 331 − 63?

Answer

331 − 63 =
268

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

331 − 63 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.
212+10
3(was 3, now 2)3(was 3, now 12)1 (was 1, now 11)
−63
268

Column by column: 331 − 63

  • Ones: 1 is less than 3 — borrow 1 ten: tens 3 → 2; 11 − 3 = 8 — write 8.
  • Tens: after borrowing, 2; 2 is less than 6 — borrow 1 hundred: hundreds 3 → 2; 12 − 6 = 6 — write 6.
  • Hundreds: after borrowing, 2; nothing to subtract — write 2.

331 − 63 = 268

Second check: 331 − 268 = 63

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Column subtractions of 63

ExampleDifference
155 − 6392
157 − 6394
161 − 6398
168 − 63105
199 − 63136
200 − 63137
235 − 63172
266 − 63203
300 − 63237
302 − 63239
331 − 63268
370 − 63307
411 − 63348
439 − 63376
465 − 63402
516 − 63453
548 − 63485
599 − 63536
641 − 63578
700 − 63637

FAQ

What is 331 − 63?

331 − 63 = 268

How do you check that 331 − 63 = 268?

Add the difference and the subtrahend: 268 + 63 = 331. Getting the minuend back means the difference is right.

How many times do you borrow in 331 − 63?

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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