Question

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Answer 1

Answer:

See below

Step-by-step explanation:

a.

$\dfrac{10}{4}=\dfrac{5(2)}{2(2)}=\dfrac{5}{2}$

b.

$\dfrac{20}{15}=\dfrac{4(5)}{3(5)}=\dfrac{4}{3}$

c.

$\dfrac{-24}{42}=\dfrac{-4(6)}{7(6)}=\dfrac{-4}{7}$

d.

$\dfrac{-18}{-14}=\dfrac{-2(9)}{-2(7)}=\dfrac{9}{7}$

Hope this helps!