Subtraction with Regrouping: 736 − 89

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 736 − 89?

Answer

736 − 89 =
647

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

736 − 89 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.
612+10
7(was 7, now 6)3(was 3, now 12)6 (was 6, now 16)
−89
647

Column by column: 736 − 89

  • Ones: 6 is less than 9 — borrow 1 ten: tens 3 → 2; 16 − 9 = 7 — write 7.
  • Tens: after borrowing, 2; 2 is less than 8 — borrow 1 hundred: hundreds 7 → 6; 12 − 8 = 4 — write 4.
  • Hundreds: after borrowing, 6; nothing to subtract — write 6.

736 − 89 = 647

Second check: 736 − 647 = 89

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See Also

FAQ

What is 736 − 89?

736 − 89 = 647

How do you check that 736 − 89 = 647?

Add the difference and the subtrahend: 647 + 89 = 736. Getting the minuend back means the difference is right.

How many times do you borrow in 736 − 89?

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