Question

Pls answer by using properties class 8

Answer 1

-8/42 - 2/12 + 2/84 = -14/42 = -1/3 .

Answer: -1/3.

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Answer 2

$\frac{2}{7} * (-\frac{4}{6}) - \frac{1}{4} * \frac{2}{3} + \frac{1}{12} *\frac{2}{7}\\ \\-\frac{8}{42} - \frac{1}{6} + \frac{1}{42}\\ \\=\frac{-8-7+1}{42}\\ \\\frac{-14}{42}\\ \\ \frac{-1}{3}$