Question

pls answer this question​

Answer 1

Answer:

hey!!!

here is the answer

Answer 2

Answer:

$a - \\ 2 \frac{34}{63} \\ \\ b - \\ \\ \frac{1}{15}$

Step-by-step explanation:

a)

$\frac{3}{9} - \frac{2}{7} + 2 \times \frac{3}{7} + \frac{2}{9} \\ \\ = > \frac{3}{9} - \frac{2}{7} + \frac{17}{7} + \frac{2}{9} \\ \\ = > ( \frac{3}{9} + \frac{2}{9} ) - ( \frac{2}{7 } - \frac{17}{7} ) \: \: \: \: \: \: \: \: \: \: \: \:( by \: ascociative \: property)\\ \\ = > ( \frac{3 + 2}{9} ) - ( \frac{2 - 17}{7} ) \\ \\ = > \frac{5}{9} + \frac{15}{7} \\ \\ = > \frac{35 + 135}{63} \\ \\ = > \frac{170}{63} \\ \\ = > 2\ \frac{34}{63}$

b)

$\frac{3}{5} - \frac{1}{14} \div \frac{3}{14} + ( - \frac{1}{5} ) \\ \\ = > \frac{3}{5} - \frac{1}{14} \times \frac{14}{3} - \frac{1}{5} \\ \\ = > \frac{3}{5} - \frac{1}{3} - \frac{1}{5} \\ \\ = > (\frac{3}{5} - \frac{1}{5} ) - \frac{1}{3} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: (by \: ascociative \: property)\\ \\ = > \frac{2}{5} - \frac{1}{3} \\ \\ = > \frac{6 - 5}{15} \\ \\ = > \frac{1}{15}$