Question

If p=-10/13,q=1/26 and r=-1/-2 then verify that p+(q+r)=(p+q)+r

Answer 1

Step-by-step explanation:

p+(q+r) = (p+q)+r

-10/13 +(1/26 + 1/2) = (-10/13 + 1/26) + 1/2

-10/13 + ( 1+13)/26 = (-20+1)/26 + 1/2

-10/13 + 14/26 = -19/26 + 1/2

(-20+14)/26 = (-19+13)/26

-6/26 = -6/26