David had 60 fliers to post around town. Last week, he posted 1/3 of them. This week, he posted 1/5 of the remaining fliers. How many fliers has he still not posted?

28 fliers

What I did to solve this was I tried to find a common denominator between 1/3 and 1/5 by multiplying them to add to 15 so I had 1/3 = 5/15 and 1/5 = 3/15 an added them together which added to 8/15 so what was left over from that would be 7/15

I divided 8/15 by 60 and subtract the result from 60 which led me to 32-60=28

Ithink the answer is c