Subtraction with Regrouping: 346 − 78

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 346 − 78?

Answer

346 − 78 =
268

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

346 − 78 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.
213+10
3(was 3, now 2)4(was 4, now 13)6 (was 6, now 16)
−78
268

Column by column: 346 − 78

  • Ones: 6 is less than 8 — borrow 1 ten: tens 4 → 3; 16 − 8 = 8 — write 8.
  • Tens: after borrowing, 3; 3 is less than 7 — borrow 1 hundred: hundreds 3 → 2; 13 − 7 = 6 — write 6.
  • Hundreds: after borrowing, 2; nothing to subtract — write 2.

346 − 78 = 268

Second check: 346 − 268 = 78

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See Also

FAQ

What is 346 − 78?

346 − 78 = 268

How do you check that 346 − 78 = 268?

Add the difference and the subtrahend: 268 + 78 = 346. Getting the minuend back means the difference is right.

How many times do you borrow in 346 − 78?

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