Subtraction with Regrouping: 990 − 307

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 990 − 307?

Answer

990 − 307 =
683

With regrouping: 1 borrow — from the tens

990 − 307 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.
8+10
9 9(was 9, now 8)0 (was 0, now 10)
−307
683

Column by column: 990 − 307

  • Ones: 0 is less than 7 — borrow 1 ten: tens 9 → 8; 10 − 7 = 3 — write 3.
  • Tens: after borrowing, 8; 8 − 0 = 8 — write 8.
  • Hundreds: 9 − 3 = 6 — write 6.

990 − 307 = 683

Second check: 990 − 683 = 307

Similar examples to practise

Related Calculations

See Also

Recalculate with different values ↑

Column subtractions of 307

ExampleDifference
614 − 307307
632 − 307325
655 − 307348
661 − 307354
683 − 307376
696 − 307389
709 − 307402
734 − 307427
760 − 307453
775 − 307468
792 − 307485
826 − 307519
843 − 307536
871 − 307564
885 − 307578
909 − 307602
954 − 307647
990 − 307683

FAQ

What is 990 − 307?

990 − 307 = 683

How do you check that 990 − 307 = 683?

Add the difference and the subtrahend: 683 + 307 = 990. Getting the minuend back means the difference is right.

How many times do you borrow in 990 − 307?

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

See Also