Respuesta :
Answer:
B) 7/9
Step-by-step explanation:
Fraction addition:
- If the denominators are not same, find the LCM of the denominators.
LCM of 3 and 9 is 9.
- Now, find equivalent fractions with denominator as 9.
[tex]\sf \dfrac{1}{3}=\dfrac{1*3}{3*3}\\\\[/tex]
[tex]\sf =\dfrac{3}{9}[/tex]
- Now add.
[tex]\sf \dfrac{4}{9}+\dfrac{1}{3}=\dfrac{4}{9}+\dfrac{3}{9}\\\\[/tex]
[tex]\sf =\dfrac{7}{9}[/tex]