Before you can add or subtract fractions, the fractions need to have a common denominator (in other words the denominators must be the same). If the denominators are not the same, you can use the Least Common Denominator to make them the same.
To practice with adding and subtracting Algebraic Fractions click here
The answer key will be released by Thursday 21st of march within this post.
Geometry worksheet answer key: See how well you did! click here
Algebra worksheet answer key: See how well you did! click here