Question

Subtract the sum of 5/6 and -4/7 from the sum of -3/2and 7/5

Answer 1

$sum : \\ \\ \frac{5}{6} - \frac{4}{7} \\ \\ \frac{35 - 24}{42} = \frac{11}{42} \\ \\ now... \\ \\ another \: sum : \\ \\ \frac{7}{5} - \frac{3}{2} = \frac{14 - 15}{2} = - \frac{1}{2} \\ \\ subtraction : \\ \\ - \frac{1}{2} - \frac{11}{42} \\ \\ \frac{ - 42 -22 }{84} = \frac{ - 64}{84} = \frac{ - 32}{42} \\ \\ = - \frac{16}{21}$