Find : (i) `7/3 -: 2` (ii) `4/9 -: 5` (iii) `6/13 -: 7` (iv) `(4) 1/3 -: 3` (v) `(3)1/2 -: 4` (vi) `(4) 3/7 -: 7`

Find the value of: (i) (-4) -: 2/3 (ii) (-3)/5 -: 2 (iii) (-4)/5 -: (-3) (iv) (-1)/8 -: 3/4 (v) (-2)/(13) -: 1/7 (vi) (-7)/(12) -: ((-2)/(13)) (vii) 3/(13) -: ((-4)/(65))

Find the value of: (i) (-4) -: 2/3 (ii) (-3)/5 -: 2 (iii) (-4)/5 -: (-3) (iv) (-1)/8 -: 3/4 (v) (-2)/(13) -: 1/7 (vi) (-7)/(12) -: ((-2)/(13)) (vii) 3/(13) -: ((-4)/(65))

Find the difference: (i) 5/7-2/7 (ii) 5/6 - 3/4 (iii) 3 1/5-7/10 (iv) 7-4 2/3 (v) 3 3/10-1 7/15 (vi) 2 5/9-1 7/15

Solve (i) 2 - 3/5 (ii) 4 + 7/8 (iii) 3/5 + 2/7 (iv) 9/11 - 4/5 (v) 7/10 + 2/5 + 3/2 (vi) (2) 2/3 + (3) 1/2 (vii) (8) 1/2 - (3) 5/8

Evaluate: (i) 2/(-3) + -4/9 , (ii) =1/2 + -3/4 , (iii) 7/-9 + -5/6 (iv) 2 + -3/4 , (v) 3 + -5/6 , (vi) -4 + 2/3

Evaluate: (i) 5/6-7/8 , (ii) 5/12 -17/18 , (iii) 11/15 - 13/20 , (iv) -5/9 - (-2/3) , (v) 6/11 -(-3/4) , (vi) -2/3 -3/4

Plot the following points on the graph paper: (i) (2, 5) (ii) (4, -3) (iii) (-5, -7) (iv) (7, -4) (v) (-3, 2) (vi) (7, 0) (vii) (-4, 0) (viii) 0, 7) ( ix) 0, -4) (x) (0, 0)

Add the following rational numbers: (i) -2/3 and 3/4 , (ii) -4/9 and 5/6 , (iii) -5/18 and 11/27 (iv) -7/12 and -5/24 , (v) -1/18 and -7/27 , (vi) 21/(-4) and -11/8