7/12
Explanation
Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24
Since 3×8= 24
1/3 = 1×8/3×8 = 8/24
Since 8×3= 24
2/8 = 2×3/8×3 = 6/24
Add the two like fractions:
8/24 + 6/24 = 8+6/24 = 14/24
Simplified gives 7/12
So, 1/3 and 2/8 = 7/12