Question

Sam spent 5/6 of an hour at the dentist’s office. He spent 1/10 of the time in the waiting room. How much time did he spend at the dentist’s office other than in the waiting room? 1/12 of an hour 3/25 of an hour3/4 of an hour 11/12 of an hour

Answer 1

That is  5/6  - 5/6 * 1/10 = 5/6 - 5/60  = 50/60 - 5/60 = 45/60  = 3/4 hour answer