" (ii) "(-8)/(3)+(-1)/(4)+(-11)/(6)+(3)/(8)

Express each of the following as a rational number of the form (p)/(q):(-8)/(3)+(-1)/(4)+(-11)/(6)+(3)/(8)-3( ii) (6)/(7)+1+(-7)/(9)+(19)/(21)+(-12)/(7)

Write the additive inverse of : (i) (3)/(8) (ii) (-8)/(15) (iii) (4)/(-13) (v) (-6)/(-11)

12(1)/(3)-(8)/(9)+(11)/(3)-4(11)/(9)=?

(11)/(6)times(8)/(11)-(4)/(8)-(11)/(3)+(5)/(4)

Express each of the following as a rational number of the form p/q :\ (-8)/3+(-1)/4+(-11)/6+3/8-3 (ii) 6/7+1+(-7)/9+(19)/(21)+(-12)/7

Add the following rational numbers: {:((i) (-2)/(5) and (4)/(5),(ii) (-6)/(11) and (-4)/(11) , (iii) (-11)/(8) and (5)/(8)), ((iv) (-7)/(3) and (1)/(3),(v) (5)/(6) and (-1)/(6),(vi) (-17)/(15) and (-1)/(15)):}

If (3x+6)/(8)-(11x-8)/(24)+(x)/(3)=(3x)/(4)-(x+7)/(24) ,then the value of x is

Prove that by using the principle of mathematical induction for all n in N : (1)/(2.5)+ (1)/(5.8) + (1)/(8.11)+ ...+(1)/((3n-1)(3n+2))= (n)/(6n+4)

Prove that by using the principle of mathematical induction for all n in N : (1)/(2.5)+ (1)/(5.8) + (1)/(8.11)+ ...+(1)/((3n-1)(3n+2))= (n)/(6n+4)