Question

Grade 8 : Using suitable properties of rational numbers , evaluate:
$i) (\frac{ - 3}{2}) \times \frac{5}{4} + ( \frac{ - 3}{2} ) \times \frac{ - 7}{6} \\ ii) \frac{7}{20} \times \frac{6}{17} - \frac{11}{17} \times \frac{7}{20} \\ iii) \frac{4}{9} \times ( \frac{ - 3}{7} )+ \frac{3}{14} + ( \frac{ - 3}{7}) \times \frac{2}{9}$
PLEASE ANSWER ATLEAST THE FIRST AND LAST ONE

Don't answer if you don't know it or understand​

Answer 1

Answer:

ex]i) (\frac{ - 3}{2}) \times \frac{5}{4} + ( \frac{ - 3}{2} ) \times \frac{ - 7}{6} \\ ii) \frac{7}{20} \times \frac{6}{17} - \frac{11}{17} \times \frac{7}{20} \\ iii) \frac{4}{9} \times ( \frac{ - 3}{7} )+ \frac{3}{14} + ( \frac{ - 3}{7}) \times \frac{2}{9}[/tex]