Subtraction with Regrouping: 417 − 69

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 417 − 69?

Answer

417 − 69 =
348

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

417 − 69 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.
310+10
4(was 4, now 3)1(was 1, now 10)7 (was 7, now 17)
−69
348

Column by column: 417 − 69

  • Ones: 7 is less than 9 — borrow 1 ten: tens 1 → 0; 17 − 9 = 8 — write 8.
  • Tens: after borrowing, 0; 0 is less than 6 — borrow 1 hundred: hundreds 4 → 3; 10 − 6 = 4 — write 4.
  • Hundreds: after borrowing, 3; nothing to subtract — write 3.

417 − 69 = 348

Second check: 417 − 348 = 69

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See Also

FAQ

What is 417 − 69?

417 − 69 = 348

How do you check that 417 − 69 = 348?

Add the difference and the subtrahend: 348 + 69 = 417. Getting the minuend back means the difference is right.

How many times do you borrow in 417 − 69?

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