Answer:
4/25 would be the answer as;
-1/2 + 1/3 = -0.16666666666
Explanation:
‑1/2+(3/4•4/9) =
-1/2 + (1/3) = -4/25
-0.16
However true answer is 16666666666/100000000000. = 0.1666666666
The rule is when fractions reoccur, we show closest and -4/25 is closer than -1/6