Posted by jean on Saturday, December 8, 2012 at 6:42pm.
subtract the fraction 74/5 from the fraction 18 6/15 and reduce your answer to the lowest terms.

math  Ms. Sue, Saturday, December 8, 2012 at 6:51pm
18 5/15  7 12/15 = 17 20/15  7 12/15 = ?
I'll be glad to check your answer. 
math  jean, Saturday, December 8, 2012 at 10:20pm
10 12/15

math  jean, Saturday, December 8, 2012 at 10:47pm
103/5

math  Anonymous, Friday, April 17, 2015 at 11:06pm
0.64