Subtraction with Regrouping: 1,156 − 578

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 1,156 − 578?

Answer

1,156 − 578 =
578

With regrouping: 3 borrows — from the tens, the hundreds and the thousands

1,156 − 578 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.
01014+10
1(was 1, now 0)1(was 1, now 10)5(was 5, now 14)6 (was 6, now 16)
−578
578

Column by column: 1,156 − 578

  • Ones: 6 is less than 8 — borrow 1 ten: tens 5 → 4; 16 − 8 = 8 — write 8.
  • Tens: after borrowing, 4; 4 is less than 7 — borrow 1 hundred: hundreds 1 → 0; 14 − 7 = 7 — write 7.
  • Hundreds: after borrowing, 0; 0 is less than 5 — borrow 1 thousand: thousands 1 → 0; 10 − 5 = 5 — write 5.
  • Thousands: after borrowing, 0 — a leading zero is not written.

1,156 − 578 = 578

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Column subtractions of 578

ExampleDifference
1,151 − 578573
1,152 − 578574
1,153 − 578575
1,154 − 578576
1,155 − 578577
1,156 − 578578
1,157 − 578579
1,158 − 578580
1,159 − 578581
1,160 − 578582
1,161 − 578583

FAQ

What is 1,156 − 578?

1,156 − 578 = 578

How do you check that 1,156 − 578 = 578?

Add the difference and the subtrahend: 578 + 578 = 1,156. Getting the minuend back means the difference is right.

How many times do you borrow in 1,156 − 578?

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

See Also