Subtraction with Regrouping: 159 − 65

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 159 − 65?

Answer

159 − 65 =
94

With regrouping: 1 borrow — from the hundreds

159 − 65 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.
0+10
1(was 1, now 0)5 (was 5, now 15)9
−65
94

Column by column: 159 − 65

  • Ones: 9 − 5 = 4 — write 4.
  • Tens: 5 is less than 6 — borrow 1 hundred: hundreds 1 → 0; 15 − 6 = 9 — write 9.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

159 − 65 = 94

Second check: 159 − 94 = 65

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FAQ

What is 159 − 65?

159 − 65 = 94

How do you check that 159 − 65 = 94?

Add the difference and the subtrahend: 94 + 65 = 159. Getting the minuend back means the difference is right.

How many times do you borrow in 159 − 65?

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