Verify commutativity of addition of rational numbers for each of the following pairs of rational number : `(-11)/5a n d4/7` (ii) `4/9a n d7/(-12)`

Verify commutativity of addition of rational numbers for each of the following pairs of rational number : (i) (-11)/5\ and\ 4/7 (ii) 4/9\ and\ 7/(-12)

Verify commutativity of addition of rational numbers for each of the following pairs of rational number : 4\ a n d(-3)/5 -4\ a n d4/(-7)

Verify commutativity of addition of rational numbers for each of the following pairs of rational number : 4 and (-3)/(5)-4 and (4)/(-7)

Verify commutativity of addition of rational numbers for each of the following pairs of rational number : (-3)/5a n d(-2)/(-15) 2/(-7)a n d(12)/(-35)

Verify commutativity of addition of rational numbers for each of the following pairs of rational number: :(-3)/(5) and (-2)/(-15)(2)/(-7) and (12)/(-35)

Add the rational number : (-5)/7\ a n d3/7

Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number: 4/3+\ (-4)/5+\ (-2)/3+7/5-2

Add the rational number (-15)/4\ a n d7/4

Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number: 2/5+8/3+(-11)/(15)+4/5+(-2)/3 (ii) 4/7+\ 0+(-8)/9+(-13)/7+(17)/(21)

Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number: 2/5+7/3+(-4)/5+(-1)/3 (ii) 3/7+(-4)/9+(-11)/7+7/9