Subtraction with Regrouping: 203 − 98

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 203 − 98?

Answer

203 − 98 =
105

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

203 − 98 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.
19+10
2(was 2, now 1)0(was 0, now 9)3 (was 3, now 13)
−98
105

Column by column: 203 − 98

  • Ones: 3 is less than 8 — borrow 1 hundred across the zero: hundreds 2 → 1, tens 0 → 9; 13 − 8 = 5 — write 5.
  • Tens: after borrowing, 9; 9 − 9 = 0 — write 0.
  • Hundreds: after borrowing, 1; nothing to subtract — write 1.

203 − 98 = 105

Second check: 203 − 105 = 98

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Column subtractions of 98

ExampleDifference
196 − 9898
203 − 98105
234 − 98136
270 − 98172
301 − 98203
337 − 98239
366 − 98268
405 − 98307
446 − 98348
474 − 98376
500 − 98402
551 − 98453
583 − 98485
634 − 98536
676 − 98578
745 − 98647

FAQ

What is 203 − 98?

203 − 98 = 105

How do you check that 203 − 98 = 105?

Add the difference and the subtrahend: 105 + 98 = 203. Getting the minuend back means the difference is right.

How many times do you borrow in 203 − 98?

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 203 − 98?

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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