Question

2/3X(-3/7)-1/6X3/2+1/14X2/15​

Answer 1

$\frac{2}{3} \times ( - \frac{3}{7} ) - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{15} \\ = \frac{ - 2}{7} - \frac{1}{4} + \frac{1}{105} \\ = \frac{ - 2}{7} - ( \frac{105 - 4}{420} ) \\ = \frac{ - 2}{7} - \frac{101}{420} \\ = \frac{ - 120 - 101}{420} \\ = - \frac{221}{420}$