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Subtracting Two Digit Numbers with Regrouping
(also called Borrowing or Renaming)
Related pages

Three - Digit Subtraction
with Regrouping (Borrowing)

Four - Digit Subtraction
Math .A Tube.com
Subtract numbers from right to left. If the digit is not
large enough to subtract from, regroup or borrow
one from the next place to the left.
Example:
3 6
2 7
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6 is less than 7 , so borrow one from the 3.
The 6 become 16 and the 3 becomes 2.
Now subtract 7 from 16 = 9
3  6
____
2  7
_
_
1
2
9
Subtract 2 from 2 = 0
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Answer