Subtraction with Regrouping: 601 − 65

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 601 − 65?

Answer

601 − 65 =
536

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

601 − 65 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.
59+10
6(was 6, now 5)0(was 0, now 9)1 (was 1, now 11)
−65
536

Column by column: 601 − 65

  • Ones: 1 is less than 5 — borrow 1 hundred across the zero: hundreds 6 → 5, tens 0 → 9; 11 − 5 = 6 — write 6.
  • Tens: after borrowing, 9; 9 − 6 = 3 — write 3.
  • Hundreds: after borrowing, 5; nothing to subtract — write 5.

601 − 65 = 536

Second check: 601 − 536 = 65

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Column subtractions of 65

ExampleDifference
150 − 6585
154 − 6589
157 − 6592
159 − 6594
163 − 6598
170 − 65105
201 − 65136
237 − 65172
268 − 65203
304 − 65239
333 − 65268
372 − 65307
413 − 65348
441 − 65376
467 − 65402
518 − 65453
550 − 65485
601 − 65536
643 − 65578
712 − 65647

FAQ

What is 601 − 65?

601 − 65 = 536

How do you check that 601 − 65 = 536?

Add the difference and the subtrahend: 536 + 65 = 601. Getting the minuend back means the difference is right.

How many times do you borrow in 601 − 65?

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 601 − 65?

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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