Subtraction with Regrouping: 525 − 136

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 525 − 136?

Answer

525 − 136 =
389

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

525 − 136 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)5 (was 5, now 15)
−136
389

Column by column: 525 − 136

  • Ones: 5 is less than 6 — borrow 1 ten: tens 2 → 1; 15 − 6 = 9 — write 9.
  • Tens: after borrowing, 1; 1 is less than 3 — borrow 1 hundred: hundreds 5 → 4; 11 − 3 = 8 — write 8.
  • Hundreds: after borrowing, 4; 4 − 1 = 3 — write 3.

525 − 136 = 389

Second check: 525 − 389 = 136

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FAQ

What is 525 − 136?

525 − 136 = 389

How do you check that 525 − 136 = 389?

Add the difference and the subtrahend: 389 + 136 = 525. Getting the minuend back means the difference is right.

How many times do you borrow in 525 − 136?

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