On Saturday Marianna practice piano for 3/4 an hour,watched tv for 2 1/2 hours, and cooked dinner for 1/4 hour m.hiw long did Marianna do all above activities in all
2 1/2= 2 2/4 3/4 + 1/4 =4/4 or 1 convert 2 2/4 into an improper fraction: 10/4 10/4+4/4=14/4 14/4 simplifies into 3 2/4 hours 3 and 2/4 simplifies into 3 and 1/2 Mariana spent 3 and 1/2 hours doing all the activities
