Question

[(-1/5) + 1/2] +11/15 =(-1/5) +[1/2 +11/15] ​

Answer 1

(-2+5/10)+11/15

=3/10+11/15

=9+22/30

=31/30 (LHS)

(-1/5+37/30)

= -6+37/30 =31/30 (RHS)

hence ,LHS =RHS proved