Subtraction with Regrouping: 603 − 214

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 603 − 214?

Answer

603 − 214 =
389

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

603 − 214 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)3 (was 3, now 13)
−214
389

Column by column: 603 − 214

  • Ones: 3 is less than 4 — borrow 1 hundred across the zero: hundreds 6 → 5, tens 0 → 9; 13 − 4 = 9 — write 9.
  • Tens: after borrowing, 9; 9 − 1 = 8 — write 8.
  • Hundreds: after borrowing, 5; 5 − 2 = 3 — write 3.

603 − 214 = 389

Second check: 603 − 389 = 214

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FAQ

What is 603 − 214?

603 − 214 = 389

How do you check that 603 − 214 = 389?

Add the difference and the subtrahend: 389 + 214 = 603. Getting the minuend back means the difference is right.

How many times do you borrow in 603 − 214?

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 603 − 214?

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.