Answer :
Before you can add or subtract fractions with different denominators.you first have to find common denominators. subtract the numerators and reduce fraction.
Adding fractions make sure numbers are same add the numerators and put it over the denominator,simplify the fraction if needed
Adding fractions make sure numbers are same add the numerators and put it over the denominator,simplify the fraction if needed
To subtract you have to have a common denominator and to add just add across
