Question

verify the associative property of addition for
$\frac{ - 4}{5} + \frac{11}{14} + \frac{ - 2}{3}$

Answer 1

$\frac{ - 4}{5} + \frac{11}{14} + \frac{ - 2}{3}$
=
$\frac{ - 4}{5} + ( \frac{11}{14} + \frac{ - 2}{3} )$
L.C.M of 14,3 is 42

-4/5+(11/14+ -2/3) = -4/5+33-14/42
= -4/5+19/42

L.C.M of 5,42 is 210

-168+95/210
= -73/210
$\frac{ - 73}{210}$
-Answer

Answer 2

-4/5+11/4+-2/3
Take LCM of 5,4,3
LCM of 5,4,3 will come 60
-4/5+11/4-2/3
= -48+165-40/60
= 165-88/60 = 77/60