Question

(5/7+2/7)-6/8=?
..........

Answer 1

$( \frac{5}{7} + \frac{2}{7} ) - \frac{6}{8} = ( \frac{5}{7} + \frac{2}{7} ) - \frac{3}{4} = \\ = 1 - \frac{3}{4} = 0.25$
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