1) Simplify brackets
-1/3+4/9
2) Find the Least Common Denominator (LCD) of 1/3, 4/9
LCD = 9
3) Make the denominators the same as the LCD
-((1 times 3)/(3 times 3)) + 4/9
4) Simplify. Denominators are now the same
-3/9 +4/9
5) Join the denominators
(-3+4)/9
6) Simplify
1/9
Your answer is C) 1/9
