29/60
5/12 + 1/15
find least common denominator
in this case, 60 is the least common denominator, as it is divisible by both 12 and 15
Now, convert the fractions so they both have a denominator of 60:
5/12 = 25/60
1/15 = 4/60
now add the fractions:
25/60 + 4/60 = 29/60