" 19.Find "(3)/(7)+[(-6)/(11)]+[(-8)/(21)]+(5)/(22)

Solve using properties : (a) (3)/(7)+((-6)/(11))+((-8)/(21))+(5)/(25)

If (3)/(7) + x +((-8)/(21)) +(5)/(22) =(-125)/(462) , then x is

Find: (-3)/8-7/11

Find the sum: (5)/(6)+(7)/(8)+(11)/(12)

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)

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

The expression (5(5)/(8))/(6(3)/(7)) of (6(7)/(11))/(9(1)/(8))-:(8)/(9)(2(3)/(11)+(13)/(22)) of (3)/(5) equals (a) 1 (b) (1)/(2)( c) (7)/(9)( d) (5)/(12)

Find -3/8 - 7/11