Subtraction with Regrouping: 430 − 54

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 430 − 54?

Answer

430 − 54 =
376

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

430 − 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.
312+10
4(was 4, now 3)3(was 3, now 12)0 (was 0, now 10)
−54
376

Column by column: 430 − 54

  • Ones: 0 is less than 4 — borrow 1 ten: tens 3 → 2; 10 − 4 = 6 — write 6.
  • Tens: after borrowing, 2; 2 is less than 5 — borrow 1 hundred: hundreds 4 → 3; 12 − 5 = 7 — write 7.
  • Hundreds: after borrowing, 3; nothing to subtract — write 3.

430 − 54 = 376

Second check: 430 − 376 = 54

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See Also

FAQ

What is 430 − 54?

430 − 54 = 376

How do you check that 430 − 54 = 376?

Add the difference and the subtrahend: 376 + 54 = 430. Getting the minuend back means the difference is right.

How many times do you borrow in 430 − 54?

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