Since they both have the same denominator, just add 2 and 1, which is 3. Now, the numerator is 3 and 2. Since the denominator is 4, you have to add to the whole number. So it's 4 1/4. Same thing for nmber 2.
1: 4 1/4.
2: 3 4/8, which can be reduced to 3 1/2
