Find the sum (a) `5/9+3/9`

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

Find the sum: 5/9+\ 6+1 5/7

Find the sum:  (i) 5/8+3/(10) (ii) 4 3/4+9 2/5

Find the sum (-4/9 + (-5)/12 + 1/18)

Find the sum: 9/(30)+5/(12)

Without adding, find the sum. (i) 1+3+5+7+9 (ii) 1+3+5+7+9+l1+13+15+17+19

Find the sum of (i) 20 terms (ii) n terms of the progression 1,3,5,7,9, ....

Without doing the actual addition, find the sum of: (i) 1 + 3 + 5 + 7 + 9 + 11+ 13 + 15 + 17+ 19 + 21 + 23 (ii) 1 + 3 + 5 + 7 + 9 + ......+39 + 41 (iii) 1 + 3 + 5 + 7 + 9 + ......+51 + 53

Find the sum to 25 terms of the A.P. 5, 7, 9, 11, …

Re- arrange suitably and find the sum: 5/3+(11)/2+\ (-9)/4+\ (-8)/3+\ (-7)/2