Add the following rational numbers: `(-7)/(27)\ a n d(11)/(18)` (ii) `(31)/(-4)\ a n d(-5)/8`

Add the following rational numbers: (-8)/(11)\ a n d(-4)/(11) (ii) 6/(13)\ a n d\ (-9)/(13)

Which of the following rational numbers are equal? (-7)/(21)\ a n d3/(-9) (ii) (-8)/(-14)\ a n d(13)/(21)

Add the following rational numbers: (-5)/7\ a n d3/7 (ii) (-15)/4\ a n d7/4

Which of the following rational numbers are equal? (-9)/(12)\ a n d8/(-12) (ii) (-16)/(20)\ a n d(20)/(-25)

Add the following rational numbers: 3/4\ a n d\ (-3)/5 (ii) -3\ a n d3/5

Add the following rational numbers: {:((i) (-2)/(5) and (4)/(5),(ii) (-6)/(11) and (-4)/(11) , (iii) (-11)/(8) and (5)/(8)), ((iv) (-7)/(3) and (1)/(3),(v) (5)/(6) and (-1)/(6),(vi) (-17)/(15) and (-1)/(15)):}

Add the following rational numbers: (i) (3)/(4) and (-3)/(5) (ii) (5)/(8) and (-7)/(12) ,(iii) (-8)/(9) and (11)/(6) ,((iv) (-5)/(16) and (7)/(24) ,(v) (7)/(-18) and (8)/(27) ,(vi) (1)/(-12) and (2)/(-15) , (vii) -1 and (3)/(4) ,(viii) 2 and (-5)/(4) ,(ix) 0 and (-2)/(5)

Add the rational number: :(-5)/(7) and (3)/(7)

Add the following rational numbers : (i) (12)/(7) and (3)/(7) : (ii) (-2)/(5) and (1)/(5) (iii) (3)/(8) and (1)/(8) (iv) (-5)/(11) and (7)/(-11) (v) (9)/(-13) and (-11)/(-13) (vi) (-2)/(9) and (5)/(9) (vii) -(17)/(9) and (-11)/(9) (viii) (-3)/(7) and (5)/(-7)