Subtraction with Regrouping: 200 − 54

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 200 − 54?

Answer

200 − 54 =
146

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

200 − 54 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)0 (was 0, now 10)
−54
146

Column by column: 200 − 54

  • Ones: 0 is less than 4 — borrow 1 hundred across the zero: hundreds 2 → 1, tens 0 → 9; 10 − 4 = 6 — write 6.
  • Tens: after borrowing, 9; 9 − 5 = 4 — write 4.
  • Hundreds: after borrowing, 1; nothing to subtract — write 1.

200 − 54 = 146

Second check: 200 − 146 = 54

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ExampleDifference
130 − 5476
132 − 5478
137 − 5483
139 − 5485
143 − 5489
146 − 5492
148 − 5494
152 − 5498
159 − 54105
190 − 54136
200 − 54146
226 − 54172
257 − 54203
293 − 54239
300 − 54246
322 − 54268
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430 − 54376
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FAQ

What is 200 − 54?

200 − 54 = 146

How do you check that 200 − 54 = 146?

Add the difference and the subtrahend: 146 + 54 = 200. Getting the minuend back means the difference is right.

How many times do you borrow in 200 − 54?

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 200 − 54?

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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