Question

$Grade 8 : Using suitable properties of rational numbers, evaluate:\ \textless \ br /\ \textgreater \ \begin{lgathered}i) (\frac{ - 3}{2}) \times \frac{5}{4} + ( \frac{ - 3}{2} ) \times \frac{ - 7}{6} \\ ii) \frac{7}{20} \times \frac{6}{17} - \frac{11}{17} \times \frac{7}{20} \\ iii) \frac{4}{9} \times ( \frac{ - 3}{7} )+ \frac{3}{14} + ( \frac{ - 3}{7}) \times \frac{2}{9}\end{lgathered}i)(2−3​)×45​+(2−3​)×6−7​ii)207​×176​−1711​×207​iii)94​×(7−3​)+143​+(7−3​)×92​​\ \textless \ br /\ \textgreater \ PLEASE ANSWER ATLEAST THE FIRST AND LAST ONE\ \textless \ br /\ \textgreater \ I NEED THE ANSWER IMMEDIATELY​ \\ no \: unwanted \: replies$
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Answer 1

{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}\end{lgathered}i)(2−3)×45+(2−3)×6−7ii)207×176−1711×207iii)94×(7−3)+143+(7−3)×92\ \textless \ br /\ \tex