Subtraction with Regrouping: 705 − 58

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 705 − 58?

Answer

705 − 58 =
647

With regrouping across a zero: 2 borrows — there are no tens to borrow from, so 1 hundred becomes 10 tens, and 1 ten goes to the ones

705 − 58 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.
69+10
7(was 7, now 6)0(was 0, now 9)5 (was 5, now 15)
−58
647

Column by column: 705 − 58

  • Ones: 5 is less than 8 — borrow 1 hundred across the zero: hundreds 7 → 6, tens 0 → 9; 15 − 8 = 7 — write 7.
  • Tens: after borrowing, 9; 9 − 5 = 4 — write 4.
  • Hundreds: after borrowing, 6; nothing to subtract — write 6.

705 − 58 = 647

Second check: 705 − 647 = 58

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Column subtractions of 58

ExampleDifference
152 − 5894
156 − 5898
163 − 58105
194 − 58136
230 − 58172
261 − 58203
297 − 58239
326 − 58268
365 − 58307
400 − 58342
406 − 58348
434 − 58376
460 − 58402
500 − 58442
511 − 58453
543 − 58485
594 − 58536
600 − 58542
636 − 58578
705 − 58647

FAQ

What is 705 − 58?

705 − 58 = 647

How do you check that 705 − 58 = 647?

Add the difference and the subtrahend: 647 + 58 = 705. Getting the minuend back means the difference is right.

How many times do you borrow in 705 − 58?

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

Why does 0 become 9 when borrowing in 705 − 58?

The zero has nothing to lend, so it first borrows 1 from its left neighbour and becomes 10; then it lends 1 to the column on its right and keeps 9.

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