Tracey uses 1/4 of a cup of brown sugar in each batch of cookies. If she makes 13 batches of cookies, how much brown sugar will she use? 3 33/4 31/4 31/3 or 31/2

Question

Tracey uses 1/4 of a cup of brown sugar in each batch of cookies. If she makes 13 batches of cookies, how much brown sugar will she use?  3 33/4   31/4   31/3  or 31/2

anonymous · Answer

i mean 3 and 3 4ths      and      3 and 1 4th       3 and 1 3rd  or   3 and a half???

anonymous · Answer

well add 1/4 13 times
and tell me how much you have

anonymous · Answer

so do 1/4 + 1/4 and so on and so forth

anonymous · Answer

ok well if you add it all to gether you get 13/4

anonymous · Answer

so now you just have to take 4 from 13 and that would make the numbers chance to this 
1 9/4

anonymous · Answer

now if you do it two more times untill it is a normal fraction you keep doing it like this 
3 1/4 so the answer is 3 1/4 or three and one forth

anonymous · Answer

so the answer is 3 and 1 4th