Verify the commutative property of addition for the following rational numbers, (i.e., $x+y=y+x$).
$-\frac{3}{7}\text{ and }\frac{5}{-28}$

Verify the associative property of addition for the following rational numbers, [i.e., $x+(y+z)=(x+y)+z]$.

$\frac{1}{2}, \frac{2}{3}\text{ and }\frac{3}{4}$

Verify the associative property of addition for the following rational numbers, [i.e., $x+(y+z)=(x+y)+z]$.

$\frac{-2}{3}, \frac{7}{9}\text{ and }\frac{-5}{6}$

Verify the associative property of addition for the following rational numbers, [i.e., $x+(y+z)=(x+y)+z]$.

$\frac{9}{8}, \frac{-3}{4}\text{ and }\frac{7}{12}$

Verify the associative property of addition for the following rational numbers, [i.e., $x+(y+z)=(x+y)+z]$.

$\frac{-4}{9}, \frac{3}{7}\text{ and }\frac{-8}{12}$

Verify the commutative property of subtraction for the following rational numbers, [i.e., $x-y\ne y-x$]

$\frac{-6}{11}\text{ and }\frac{5}{22}$

Verify the commutative property of subtraction for the following rational numbers, [i.e., $x-y\ne y-x$]

$\frac{4}{9}\text{ and }\frac{-7}{12}$

Verify the commutative property of subtraction for the following rational numbers, [i.e., $x-y\ne y-x$]

$-4\text{ and }\frac{3}{-7}$

Verify the commutative property of subtraction for the following rational numbers, [i.e., $x-y\ne y-x$]

$-\frac{3}{7}\text{ and }\frac{5}{-28}$.