1.Add the following. (a) `2.9+6.1`

1.Add the following : 5/7 and 2/7

Add the following : 5a, 9a and 14ab

Add the following : 2x, 3x and 4y

Add the following (i) 7abc , -5abc , 9abc , -8abc (ii) 2x^2y , -4x^2y , 6x^2y , -5x^2y

Add the following : a. -236 and 573

Write the additive inverse of each of the following. (i) 2/8 (ii) (-5)/9 (iii) (-6)/(-5) (iv) 2/-9 (v) (19)/(- 6)

Add the following 3a+6a^2b+4b,2b-9ab^2-6a,-6a-7b+2a^2b

Add the following fractions: 1/6+4/6 (ii) 2/7+3/7+4/7

Add the following 5a+2a^2-3a^3+8, -4a^2 +5a^3 -9, -2a+6a^2 -3a^3 , -a+4a^2 -9, 4-a-2a^2 +3a^3

Add the following : 5xy , 6yx and -2x^(2)