Question

9. Subtract -5/6 from -3/7.​

Answer 1

$= \frac{ - 5}{6} \: from \: \frac{ - 3}{7} \\ = it \: means \: \frac{ - 3}{7} - \frac{ - 5}{6} \\ = now \\ \\ = { \frac{ - 3 \times 6}{7 \times6} } {} + { \frac{5 \times 7}{6 \times 7} }{} \\ = \frac{ - 18}{42} + \frac{35}{42} \\ = \frac{17}{42}$