Posted by Chyna on .
bill spent 7 9/10 hours working on is reading and math homework. if he spent 5 3/6 hours on his reading homework, how much time did he spend on his math homework?

math 
Navpreet,
Get the same denominator;
7 27/30
5 15/30
Subtract
2 12/30
Simplified; 2 2/15