Subtraction with Regrouping: 1,180 − 578

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 1,180 − 578?

Answer

1,180 − 578 =
602

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

1,180 − 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.
0+107+10
1(was 1, now 0)1 (was 1, now 11)8(was 8, now 7)0 (was 0, now 10)
−578
602

Column by column: 1,180 − 578

  • Ones: 0 is less than 8 — borrow 1 ten: tens 8 → 7; 10 − 8 = 2 — write 2.
  • Tens: after borrowing, 7; 7 − 7 = 0 — write 0.
  • Hundreds: 1 is less than 5 — borrow 1 thousand: thousands 1 → 0; 11 − 5 = 6 — write 6.
  • Thousands: after borrowing, 0 — a leading zero is not written.

1,180 − 578 = 602

Second check: 1,180 − 602 = 578

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Column subtractions of 578

ExampleDifference
1,175 − 578597
1,176 − 578598
1,177 − 578599
1,178 − 578600
1,179 − 578601
1,180 − 578602
1,181 − 578603
1,182 − 578604
1,183 − 578605
1,184 − 578606
1,185 − 578607

FAQ

What is 1,180 − 578?

1,180 − 578 = 602

How do you check that 1,180 − 578 = 602?

Add the difference and the subtrahend: 602 + 578 = 1,180. Getting the minuend back means the difference is right.

How many times do you borrow in 1,180 − 578?

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

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