Subject :IMO Class : Class 5
Sonia talked on the telephone to two of her friends. She talked to Shivani for 1⁄4 hour and to Geetika for 1⁄3 hour. How much time did Sonia spent on the telephone?
A 1⁄6 hour
B 2⁄7 hour
C 5⁄12 hour
D 7⁄12 hour