Subtraction with Regrouping: 630 − 52

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 630 − 52?

Answer

630 − 52 =
578

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

630 − 52 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.
512+10
6(was 6, now 5)3(was 3, now 12)0 (was 0, now 10)
−52
578

Column by column: 630 − 52

  • Ones: 0 is less than 2 — borrow 1 ten: tens 3 → 2; 10 − 2 = 8 — write 8.
  • Tens: after borrowing, 2; 2 is less than 5 — borrow 1 hundred: hundreds 6 → 5; 12 − 5 = 7 — write 7.
  • Hundreds: after borrowing, 5; nothing to subtract — write 5.

630 − 52 = 578

Second check: 630 − 578 = 52

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Column subtractions of 52

ExampleDifference
137 − 5285
141 − 5289
144 − 5292
146 − 5294
150 − 5298
157 − 52105
188 − 52136
224 − 52172
255 − 52203
291 − 52239
320 − 52268
359 − 52307
400 − 52348
428 − 52376
454 − 52402
505 − 52453
537 − 52485
588 − 52536
630 − 52578
699 − 52647

FAQ

What is 630 − 52?

630 − 52 = 578

How do you check that 630 − 52 = 578?

Add the difference and the subtrahend: 578 + 52 = 630. Getting the minuend back means the difference is right.

How many times do you borrow in 630 − 52?

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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