Addition of Fractions 12-1, 12-2, 12-8
6. Manny used the computer for 2/10 of his time before school and 3/10 of his time after school. Which of the following can be used to find how much of his time was spent on the computer?
C. Add 2 + 3 to get 20/5. Simplify 20/5 to 4/1
2. On Friday, 3/12 of the students in class were absent. What fraction of the students attended class?
B. 9/12
12. Yao drank 11/4 bottles of water during a soccer game. What is this number written as a mixed number?
2 3/4
5. Which equation is represented on the number line?
B. 6/10 + 2/10 = 8/10
1. Paul found that 2/8 + 5/8 = 7/8. Which of the following is another way to show 7/8?
D. Both B and C
10. Max is earning money to pay for his new trumpet. He earned 2/5 of the money needed last week and 1/5 of the money this week. What fraction of the money has he earned?
3/5
3. Rick made a paper football that was 7/8 inches long. Carly made one that is 5/8 inch long. How many inches longer is Rick's paper football than Carly's?
A. 1/4 inch
11. Roger and Su were finding ways to show the mixed number 1 1/6 as an addition of fractions. Roger wrote 1/6 + 1/6 + 2/6 + 3/6. Roger wrote 1/6 + 1/6 + 2/6 + 3/6. Who was right?
Roger and Su are both correct. They both equal 1 1/6.
16. Rhys is kayaking down a 2 3/5 mile stream. He has already traveled 1 1/5 miles. How much farther does he need to travel? Draw a picture and write an equation to solve.
2 3/5 - 1 1/5 = x
x = 1 2/5
4. 4 5/6 + 3 5/6 =
B. 8 2/3
9. The average length of an adult Rough Green snake is 5/6 yard. The length for an Eastern Garter snake is 4/6 yard. How much longer is a Rough Green snake than an Eastern Garter snake?
1/6 yard
14. What is the sum of 1 7/8 2 3/8?
4 1/4
8. The Jacobys went on a 600 mile trip. On the first day they drove 5 3/4 hours and on the second day they drove 4 3/4 hours. How many hours did they drive during the first two days?
10 1/2 hours
13. Marie needs 2 2/8 yards of fabric. She already has 1 3/8 yards of fabric. How many more yards of fabric does she need?
7/8 yard
15. Tracey is a at school for 7 1/4 hours each day. One day the school lets out early. She is at school for 3 3/4 hours that day. How much longer is a regular school day? Simplify if possible.
3 1/2 hours
7. Sean made a ribbon that was 3 1/6 inches long. Fran made one that was 1 5/6 inches long. How much longer was Sean's ribbon than Fran?
1 1/3 inches