Question

find $left(\frac{-5}{7}
ight) cdot left(\frac{7}{5}
ight).$
(lesson 5-9)

Explanation:

Step1: Multiply numerators and denominators

$\frac{-5}{7} \cdot \frac{7}{5} = \frac{(-5) \cdot 7}{7 \cdot 5}$

Step2: Simplify the fraction

$\frac{(-5) \cdot 7}{7 \cdot 5} = \frac{-35}{35} = -1$

Answer:

$-1$