Question

Find ( a+b )/( a-b ) a is 1/2 and b is 2/3

Answer 1

$a = \frac{1}{2}$

$b = \frac{2}{3}$

$\frac{(a + b)}{(a - b)} = \frac{ \frac{1}{2} + \frac{2}{3} }{ \frac{1}{2} - \frac{2}{3} } = \frac{ \frac{3 + 4}{6} }{ \frac{3 - 4}{6} } = \frac{7}{ - 1} = - 7$

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