Solution

long subtraction

Solution

Solution steps
Write the numbers one under the other, line up the decimal points.
Add trailing zeroes so the numbers have the same length.
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
The bottom number is larger than the upper number. Try to'borrow' a digit from the left.
The top digit is not bigger than the bottom one. Try to'borrow' a digit from the left.
Borrow from . The remainder is
Add ten to :
Borrow from . The remainder is
Add ten to :
In the bolded column, subtract the second digit from the first:
In the bolded column, subtract the second digit from the first:
Place the decimal point in the answer directly below the decimal points in the terms
In the bolded column, subtract the second digit from the first:

Popular Examples

simplify 45*3simplify s^2+20s+100=0(2x-1)^2=25factor 54+3z-z^2factor factor 2x^2-13x+21factor

Frequently Asked Questions (FAQ)

  • What is longsub 1-0.69 ?

    The solution to longsub 1-0.69 is 0.31