Question

by what number should 5/7be divide to get-15/56 ?​

Answer 1

Answer:

Let it should be divided by x,

\begin{gathered} \frac{ \frac{5}{7} }{x} = - \frac{15}{56} \\ \\ \\ \frac{1}{x} = \frac{ - \frac{15}{56} }{ \frac{5}{7} } \\ \\ \frac{1}{x} = - \frac{15}{56} \times \frac{7}{5} \\ \\ \frac{1}{x} = - \frac{3}{8} \\ \\ x = - \frac{8}{3} \end{gathered}

x

7

5

=−

56

15

x

1

=

7

5

−

56

15

x

1

=−

56

15

×

5

7

x

1

=−

8

3

x=−

3

8

Required number is -8/3