This is a sum involving integers (whole numbers), not fractions.
3/1 + 2/1 = 3 + 2 = 5 which can be written as 5/1.
1/2
1/2 + 3/8 = 7/8.
It is 3/13.
1/3 + 3/9 = 2/3
1 and 1 over 3
1.5 is 1 and a half. We can write this as 1 and 1/2 or as 3/2. It is 3/2 because it is 2/2 plus 1/2.
1 and 7/15ths
1/6 + 3/6 = 4/6 = 2/3
-3/2 + 8/5 = 1/10
Any fraction equivalent to 5: 5/1 10/2 15/3 20/4 ...
5/4
well 5/3 plus 1/3= 6/3. now you have to add 6/3 & 2/1 (2/1 = 2) you have to change the fraction(s) so you have to find the least common denominator so it is 6/3 plus 6/3= 12/3 =4/1 or 4