Add (i) ` 7/10 + 2/15 ` (ii) `2(2/3) + 3(1/2)`

Add: 7/(10)a n d2/(15)

Add: 7/(10)a n d2/(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

Add: (i) -3/4 and -4/5 (ii) 2/7 and 2

Add: i) 3/8+1/2 (ii) 1/6+3/8

Add : 3y^2 10y + 16, 2y - 7

. (i) i= 2 A (ii) i_1 = (10)/(3) A (iii) i_2 = - (4)/(3) A .

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

Add each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (i) (7)/(15) "and" (3)/(5) (ii) (2)/(7) "and" 2 (iii) (3)/(8) "and" (-5)/(12) (iv) (7)/(-15) "and" (2)/(-3) (v) (5)/(-13) "and" (11)/(26)