Subtraction with Regrouping: 147 − 69

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 147 − 69?

Answer

147 − 69 =
78

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

147 − 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.
013+10
1(was 1, now 0)4(was 4, now 13)7 (was 7, now 17)
−69
78

Column by column: 147 − 69

  • Ones: 7 is less than 9 — borrow 1 ten: tens 4 → 3; 17 − 9 = 8 — write 8.
  • Tens: after borrowing, 3; 3 is less than 6 — borrow 1 hundred: hundreds 1 → 0; 13 − 6 = 7 — write 7.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

147 − 69 = 78

Second check: 147 − 78 = 69

Similar examples to practise

See Also

FAQ

What is 147 − 69?

147 − 69 = 78

How do you check that 147 − 69 = 78?

Add the difference and the subtrahend: 78 + 69 = 147. Getting the minuend back means the difference is right.

How many times do you borrow in 147 − 69?

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