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Math 71A. 6.2 – Adding and Subtracting Rational Expressions. Same Denominator. To add or subtract rational #’s with the same denominators, just add or subtract numerators : ex: With rational expressions, it’s the same. Same Denominator.
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Math 71A 6.2 – Adding and Subtracting Rational Expressions
Same Denominator To add or subtract rational #’s with the same denominators, just add or subtract numerators: ex: With rational expressions, it’s the same.
Same Denominator To add or subtract rational #’s with the same denominators, just add or subtract numerators: ex: With rational expressions, it’s the same.
Same Denominator To add or subtract rational #’s with the same denominators, just add or subtract numerators: ex: With rational expressions, it’s the same.
Same Denominator To add or subtract rational #’s with the same denominators, just add or subtract numerators: ex: With rational expressions, it’s the same.
Same Denominator To add or subtract rational #’s with the same denominators, just add or subtract numerators: ex: With rational expressions, it’s the same.
Same Denominator To add or subtract rational #’s with the same denominators, just add or subtract numerators: ex: With rational expressions, it’s the same.
Same Denominator Ex 1.Add and simplify: Ex 2.Subtract and simplify:
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions.
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions. LCD
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions. LCD 6
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions. LCD 6
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions. LCD 6
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions. LCD 6
Different Denominators Recall: When adding and , we look for the _______, which is ___. Then we write equivalent fractions for both and add: . It’s similar for rational expressions. LCD 6
Ex 3.Add and simplify: Ex 4.Subtract and simplify: Ex 5.Add and simplify: Ex 6.Simplify: Ex 7.Simplify: