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

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

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

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

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

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

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

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

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

Add the rational numbers: (i) (-5)/(16)\ a n d7/(24) (ii) 7/(-18)\ a n d\ 8/(27)

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