We can find the common denominator of these fractions, then add them.
1/3=4/12
1/4=3/12
Then we add the two, and round it up either up or down, depending if it is above 1/2. 6/12 is equal to 1/2, and 4/12+3/12 is 7/12 which is greater than 1/2, so she is almost done.
