2. 1/4 + 2/3 On this problem what you want to make the problem look not as hard to understand. You can do this by looking at you denominator and drawing that many boxes then you color the numerators in(1 and 2).
3.
4. 1/4 -2/6 In these diagrams you can see that there denominators are 4 and 6. first you make a table with those numbers and then you will color in the numerators (1 and 2).