Question

bGrade 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

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Answer 1

Answer:

:

$i) (\frac{ - 3}{2}) \times \frac{5}{4} + ( \frac{ - 3}{2} ) \times \frac{ - 7}{6} \\ ii) \frac{7}{20} \times \frac{6}{17} - \frac{11}{17} \times \frac{7}{20} \\ iii) \frac{4}{9} \times ( \frac{ - 3}{7} )+ \frac{3}{14} + ( \frac{ - 3}{7}) \times \frac{2}{9}$

PLEASE ANSWER ATLEAST