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Algebra 2 · A-APR

Add and Subtract Rational Expressions

Find a common denominator (LCD), convert each fraction, then combine numerators. Simplify the result.

Algebra 2Common Core HSA-APR.D.7A-APRVerified correct ✓

Worked examples

7/4 - 4/3
Answer: 5/12
1/2 + 5/3
Answer: 13/6

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Simplify Rational Expressions

More Algebra 2 topics

Rational Exponents — Rewrite and SimplifySimplify Radical Expressions — Products and QuotientsComplex Number Arithmetic — Add, Subtract, MultiplyModulus and Conjugate of a Complex NumberFactor Sum and Difference of CubesSimplify Rational ExpressionsPolynomial Long Division and Synthetic DivisionRemainder and Factor Theorem