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`

Find the (i) 2/5 -: 1/2 (ii) 4/9 -: 2/3 (iii) 3/7 -: 8/7 (iv) (2) 1/3 -: 3/5 (v) (3) 1/2 -: 8/3 (vi) 2/5 -: (1) 2/3 (vii) (3) 1/5 -: (1) 2/3 (viii) (2) 1/5 -: (1) 1/5

Find the (i) 2/5 -: 1/2 (ii) 4/9 -: 2/3 (iii) 3/7 -: 8/7 (iv) (2) 1/3 -: 3/5 (v) (3) 1/2 -: 8/3 (vi) 2/5 -: (1) 2/3 (vii) (3) 1/5 -: (1) 2/3 (viii) (2) 1/5 -: (1) 1/5

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

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

i) 2/3 xx (2) 2/3 (ii) 2/7 xx 7/9 (iii) 3/8 xx 6/4 (iv) 9/5 xx 3/5 (v) 1/3 xx (15)/8 (vi) (11)/2 xx 3/(10) (vii) 4/5 xx (12)/7

i) 2/3 xx (2) 2/3 (ii) 2/7 xx 7/9 (iii) 3/8 xx 6/4 (iv) 9/5 xx 3/5 (v) 1/3 xx (15)/8 (vi) (11)/2 xx 3/(10) (vii) 4/5 xx (12)/7

Find the sum : (i) 5/4 + ((-11)/(4)) , (ii) 5/3 + 3/5 , (iii) (-9)/(10) + 22/15 (iv) (-3)/(-11) + 5/9 , (v) (-8)/(19) + ((-2))/(57) , (vi) (-2)/(3) + 0 (vii) -2'1/3 + 4'3/5

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

Which of the two rational numbers is greater in each of the following pairs? (i) 3/-7 or 1/7 , (ii) 11/(-18) or -5/18 , (iii) 7/10 or -9/10 (iv) 0 or -3/4 , (v) 1/12 or 0, (vi) 18/(-19) or 0 (vii) 7/8 or 11/16 , (viii) 11/-12 or -10/11 , (ix) -13/5 or -4 (x) 17/(-6) or -13/4 , (xi) 7/(-9) or -5/8 , (xii) -3/(-8) or 5/9