Question

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

a.-6/5
b.-2/5
c.6/7
d.-2/9​

Answer 1

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OPTION B)

• Sum of -13/5 and 12/7

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

• Product of -31/7 and -1/2

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

• Dividing the Sum and Product

$\frac{ - 31}{35} \div \frac{31}{14} \\ \\ \frac{{ \cancel{ - 31}}}{{ \cancel{35}}} \times \frac{{ \cancel{14}}}{{ \cancel{31}}} \\ \\ = \frac{ - 2}{5} \\ \\ option \: \: b)$

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MARK BRAINLIEST PLS