Question

without actually finding the cubes find the value of (1/2)^3+(1/3)^3-(5/6)^3

Answer 1

(1/2+1/3 -5/6)^3=(3+2-5/6)^3=0

Answer 2

(1/2+1/3-5/6)^3=(3+2-5/6)^3=0.