Subtraction with Regrouping: 521 − 36

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 521 − 36?

Answer

521 − 36 =
485

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

521 − 36 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.
411+10
5(was 5, now 4)2(was 2, now 11)1 (was 1, now 11)
−36
485

Column by column: 521 − 36

  • Ones: 1 is less than 6 — borrow 1 ten: tens 2 → 1; 11 − 6 = 5 — write 5.
  • Tens: after borrowing, 1; 1 is less than 3 — borrow 1 hundred: hundreds 5 → 4; 11 − 3 = 8 — write 8.
  • Hundreds: after borrowing, 4; nothing to subtract — write 4.

521 − 36 = 485

Second check: 521 − 485 = 36

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Recalculate with different values ↑

Column subtractions of 36

ExampleDifference
208 − 36172
239 − 36203
275 − 36239
300 − 36264
304 − 36268
343 − 36307
384 − 36348
412 − 36376
438 − 36402
489 − 36453
521 − 36485
572 − 36536
614 − 36578
683 − 36647
700 − 36664
800 − 36764
900 − 36864
1,000 − 36964
2,000 − 361,964
5,000 − 364,964

FAQ

What is 521 − 36?

521 − 36 = 485

How do you check that 521 − 36 = 485?

Add the difference and the subtrahend: 485 + 36 = 521. Getting the minuend back means the difference is right.

How many times do you borrow in 521 − 36?

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