The mass of a bag is $$ \frac{1}{3}$$ kg.<br>The mass of a ball is $$ \frac{5}{12}$$ kg.<br>The total mass when the ball is in the bag is $$ \frac{A}{B}$$ kg. <hr> A: <input min="0" type="number" class="lineinput" placeholder="?" /><br>B: <input min="0" type="number" class="lineinput" placeholder="?" /> (to the lowest term)