Question

Dividethe sum of 13/5and-12/7 by the product of -31/7and 1/-2

Answer 1

Answer: 2/5

Step-by-step explanation:

13/5+-12/7

=91/35 -60/35

=31/35

-31/7×1/-2

=-31/-14

=31/14

31/35÷31/14

=31/35×14/31

=14/35

=2/5

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Answer 2

Answer:

$\frac{2}{5}$

Step-by-step explanation:

$\frac{13}{5} + ( \frac{ - 12}{7} ) = \frac{31}{35}$

$\frac{ - 31}{7} \ \times \frac{1}{ - 2} = \frac{31}{14}$

Now

$\frac{31}{35} \div \frac{31}{14}$

$\frac{31}{35} \times \frac{14}{31} = \frac{14}{35} = \frac{2}{5}$