Question

Verify this sum -

equation - (x+y) +z = x+ (y+z)

x = 6/7
y = 5/3
z = 11/10​

Answer 1

Given,

x=6/7

y=5/3

z=11/10

then,

_(6/7+5/3)+11/10=6/7+(5/3+11/10)

= -(18+35/21)+11/10=6/7+(83/30)

=(-53/21)-6/7=(83/30)-11/10

=53-18/21=83-33/30

=35/21=20/30

=105/42

=2.5