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Lesson 9: Adding and Subtracting Fractions



 1. 

Calculate.
3/8 + 1/4
a.
5/8
b.
6/8
c.
4/12
d.
2/3
 

 2. 

Calculate.
8/9 + 2/3
a.
11/12
b.
15/6
c.
43/27
d.
14/9
 

 3. 

Calculate.
5/6 - 2/3
a.
1/6
b.
1/4
c.
2/5
d.
1/5
 

 4. 

Calculate.
9/12 - 3/10
a.
45/60
b.
18/60
c.
9/20
d.
11/20
 

 5. 

Which of these expressions will give an answer that is greater than 1?
a.
2/4 + 3/7
c.
3/4 + 1/9
b.
3/5 + 4/7
d.
2/3 + 1/6
 

 6. 

Which of these expressions will give an answer that is greater than 1/2?
a.
7/12 - 1/3
c.
5/7 - 1/3
b.
3/4 - 1/3
d.
5/7 - 1/5
 

 7. 

A road trip will take 3 days.  You have travelled for 2/3 of a day so far. How many days are left?
a.
7/3
b.
2
c.
5/2
d.
4/3
 

 8. 

Simone drank 4/5 of a bottle of juice. Leon drank 2/3 of a bottle of juice. How much more did Simone drink than Leon?
a.
1/3
b.
1/8
c.
3/5
d.
2/15
 

 9. 

Jody finished 3/5 of her homework. Sandra finished 5/6 of her homework. How much more of her homework did Sandra finish than Jody?
a.
7/30
b.
5/12
c.
1/2
d.
2/5
 

 10. 

James studies for 3/4 of an hour for his Math test. The next night he studies for 1/5 of an hour. What fraction of time did James spend studying?
a.
2/3
b.
4/9
c.
19/20
d.
8/9
 



 
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