Question

1/3 + 2/15 + ? = 17/30

Answer 1

$\frac{1}{3} + \frac{2}{15} + x = \frac{17}{30} \\ = > x = \frac{17}{30} - \frac{21}{45} \\ = > x = \frac{9}{90} \\ x = \frac{1}{10}$

Request Answer=1/10