Subtraction with Regrouping: 117 − 52

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 117 − 52?

Answer

117 − 52 =
65

With regrouping: 1 borrow — from the hundreds

117 − 52 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)1 (was 1, now 11)7
−52
65

Column by column: 117 − 52

  • Ones: 7 − 2 = 5 — write 5.
  • Tens: 1 is less than 5 — borrow 1 hundred: hundreds 1 → 0; 11 − 5 = 6 — write 6.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

117 − 52 = 65

Second check: 117 − 65 = 52

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FAQ

What is 117 − 52?

117 − 52 = 65

How do you check that 117 − 52 = 65?

Add the difference and the subtrahend: 65 + 52 = 117. Getting the minuend back means the difference is right.

How many times do you borrow in 117 − 52?

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