Adding Fractions
2/3 + 1/6
5/6
3/4 - 1/3
5/12
Hayden M. watched TV for 1/2 hour in the morning and 3/4 of an hour in the afternoon. Estimate: Did she watch TV for more or less than an hour? Explain why.
More than an hour. Adding a fraction greater than 1/2 to a fractions equal to 1 half will be more than a whole.
Sunny ate 2/3 of a bag of Nilla Wafers and 1/2 of a bag of Doritos for snack. How many bags of snack did she eat in total?
7/6 or 1 1/6 bags of snack.
Shahzaib worked on math for 1/2 of an hour. Gianna worked on math for 4/6 of an hour. Find a common denominator and create equivalent fractions.
3/6 and 4/6
8 7/8 + 5/8
9 4/8 = 9 1/2
1 1/4 - 3/4
2/4 = 1/2
Gianna was drawing for 2 4/5 hours over the weekend. Valentina was drawing for 1 7/8 hours over the weekend. Make an estimate about how many hours the girls were drawing in total.
5 hours.
Elaine was watching a horror movie that was 2 7/12 hours long. She watched 1 3/12 hours. How many hours of the movie does she have left?
1 4/12 hours left.
Janelle read 9/12 of her book this week. Simplify the answer.
3/4 of the book!
5/8 + 1 1/2
2 1/8
1 5/8 - 1/3
1 7/24
Aubrey worked on her t-shirt for 2 1/3 hours over the week. The next week, she worked on it for 1 1/10 hours. About how many hours did she work on the t-shirt?
3 hours.
Hayden L. left to put our tickets into the office. He was there for 2/10 of an hour and he was at PE for 4/5 of an hour. How long was he out of the classroom?
He was out for 10/10 of an hour or 1 hour long.
Krishna played soccer for 8/10 of an hour. Simplify this fraction.
4/5 of an hour.
4 1/3 + 2 4/5
7 2/15
1 1/3 - 3/4
7/12
Rania read a graphic novel for 3 5/6 hours. Kyara read another graphic novel for 1 3/4 hours. About how much longer was Rania reading than Kyara?
Marlowe drank 1/10 of her water on Wednesday morning and 3/5 of her water in the afternoon. How much water does she have left at the end of the day?
3/10 of her water is left.
Scott practiced soccer for 2/3 of an hour. Chase practiced for 4/5 of an hour. Find a common denominator and create equivalent fractions.
Common Denominator: 15
10/15 and 12/15
3 1/12 + 9 7/24
12 9/24 = 12 3/8
4 5/6 - 2 7/8
1 23/24
Frankie traveled for 3 3/4 hours to get to Vermont. On the way home there was lots of traffic and it took 5 1/8 hours. About how much longer did it take on the way home?
It took about 1 hour longer on the way home.
Ms. Sharick made turkey sweet potato chili last night! I needed 2 3/4 pounds of ground turkey for the recipe. I already had 1 1/8 pounds in my fridge. How much more did I need to buy?
1 5/8 pounds of ground turkey.
Henry practiced his 3 point shot for 3/5 of an hour on Wednesday and 1/4 of an hour on Thursday. How long did he practice in total? (Don't solve!) Explain why we need to rename the fractions in order to solve.
We must rename the fractions because the pieces are not the same size. If we find a common denominator we can compare "like" pieces to "like pieces" when we add and determine the total.