Solution

long subtraction

Solution

Solution steps
Line up the numbers
Subtract each column of digits, starting from the right and working left
If the digit being subtracted is larger than the digit above it, 'borrow' a digit from the next column to the left.
In the bolded column, subtract the second digit from the first:
In the bolded column, subtract the second digit from the first:

Popular Examples

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Frequently Asked Questions (FAQ)

  • What is longsub 39-27 ?

    The solution to longsub 39-27 is 12