First you get a common denominator, for example, 1/4 - 1/2 would be changed to 1/4 - 2/4 because what ever you do to change to denominator, you have to do the same with the numerator.
Then you subtract the numerators and keep the denominator the same. Example: 1/4 - 2/4= -1/4.
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Turn the proper fraction into an improper fraction.
change the mixed # into a fraction
Subtracting a negative fraction is the same as adding its positive equivalent.
The answer when subtracting one number from another is called a difference. When subtracting one fraction from another, it is still called a difference.
Similar fractions are fractions with the same denominator. In order to add or subtract fractions they need to be similar.