Subtraction with Regrouping: 857 − 389

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 857 − 389?

Answer

857 − 389 =
468

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

857 − 389 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.
714+10
8(was 8, now 7)5(was 5, now 14)7 (was 7, now 17)
−389
468

Column by column: 857 − 389

  • Ones: 7 is less than 9 — borrow 1 ten: tens 5 → 4; 17 − 9 = 8 — write 8.
  • Tens: after borrowing, 4; 4 is less than 8 — borrow 1 hundred: hundreds 8 → 7; 14 − 8 = 6 — write 6.
  • Hundreds: after borrowing, 7; 7 − 3 = 4 — write 4.

857 − 389 = 468

Second check: 857 − 468 = 389

Similar examples to practise

See Also

Column subtractions of 389

ExampleDifference
852 − 389463
853 − 389464
854 − 389465
855 − 389466
856 − 389467
857 − 389468
858 − 389469
859 − 389470
860 − 389471
861 − 389472
862 − 389473

FAQ

What is 857 − 389?

857 − 389 = 468

How do you check that 857 − 389 = 468?

Add the difference and the subtrahend: 468 + 389 = 857. Getting the minuend back means the difference is right.

How many times do you borrow in 857 − 389?

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