Question

simplify (13/21÷39/42)×3/-5​

Answer 1

$\: \: \: \: \: ( \frac{13}{21} \div \frac{39}{42} ) \times \frac{3}{ - 5} \\ \\ = > ( \frac{13}{21} \times \frac{42}{39} ) \times ( - \frac{3}{5} ) \\ \\ = > ( \frac{13 \times 42}{21 \times 39} ) \times ( - \frac{3}{5} )\\ \\ = > \frac{546}{819} \times ( - \frac{3}{5} ) \\ \\ = > \frac{2}{3} \times ( - \frac{3}{5} ) \\ \\ = > (\frac{2 \times ( - 3)}{3 \times 5} ) \\ \\ = > ( - \frac{6}{15} ) \\ \\ = > \green{\boxed {( - \frac{2}{5} )}}$

Answer 2

Answer:2/-5

Step-by-step explanation:

(13/21÷39/42)×3/-5

(13/21×42/39)×3/-5

(2/3)×3/-5

2/3×3/-5

2/-5.

So answer is 2/-5.

By- Om jee

Class- 8th

From- jnv