When dealing with fractions that have the same denominators, addition and subtraction are straightforward. For addition, simply add the numerators, while the denominator remains the same. For subtraction, subtract the second numerator from the first, and again, the denominator remains the same.
If the fractions have different denominators, find a common denominator before adding or subtracting. To do this, multiply the numerators and denominators by appropriate numbers to make the denominators equal.
Convert to , making the denominator equal to 12. Now, .
So, , which simplifies to or .
Convert and to and , respectively. This yields and .
Now, perform the subtraction: .
Find , giving your answer in its simplest form.