Answer:
(-7)
Step-by-step explanation:
[tex]a = \frac{1}{2} \\ b = \frac{2}{3} \\ \\ (a + b) \div (a - b) \\ = ( \frac{1}{2} + \frac{2}{3}) \div ( \frac{1}{2} - \frac{2}{3}) \\ = ( \frac{3}{6} + \frac{4}{6}) \div ( \frac{3}{6} - \frac{4}{6}) \\ = \frac{7}{6} \div \frac{ - 1}{6} \\ = \frac{7}{6} \times \frac{ - 6}{1} \\ = \frac{ - 42}{6} \\ = - 7 [/tex]
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Answers & Comments
Answer:
(-7)
Step-by-step explanation:
[tex]a = \frac{1}{2} \\ b = \frac{2}{3} \\ \\ (a + b) \div (a - b) \\ = ( \frac{1}{2} + \frac{2}{3}) \div ( \frac{1}{2} - \frac{2}{3}) \\ = ( \frac{3}{6} + \frac{4}{6}) \div ( \frac{3}{6} - \frac{4}{6}) \\ = \frac{7}{6} \div \frac{ - 1}{6} \\ = \frac{7}{6} \times \frac{ - 6}{1} \\ = \frac{ - 42}{6} \\ = - 7 [/tex]