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 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 -3/8 - 7/11

Find the product of: (-22)/( 11) and (-21)/( 11)

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