Question

please give the answer with full explanation ​

Answer 1

Answer:

$- \frac{1}{1} - \frac{3}{8} + \frac{1}{2} - \frac{7}{4} \\ lcm = 8\\ \frac{ - 8 - 3 + 4 - 14}{8} = \frac{ - 11 - 14 + 4}{8} \\ = \frac{ - 11 - 10}{8} = \frac{ - 21}{8} = - 2 \frac{5}{8}$