Simplify (Reduce)
Rewrite with the LOWEST Common Denominator
Add Fractions with Unlike Denominators
Subtract Fractions with Unlike Denominators
Word Problems
100
12/18
2/3
100
1/3, 5/6 =
2/6, 5/6
100
Add the Fractions:
1/2 + 1/4 =
3/4
100
Subtract the fractions:
3/4 - 1/2 =
1/4
100
Jessica bought 1/2 pound of Swiss cheese and 5/6 pound of Cheddar cheese. Which pairs of fractions are equivalent to the amounts Jessica bought?
Select ALL the correct answers.
a) 5/10 and 8/10
b) 6/12 and 10/12
c) 8/16 and 10/16
d) 10/18 and 15/18
e) 12/24 and 20/24
B, E
200
12/20
3/5
200
1/4, 3/8 =
2/8, 3/8
200
Add the Fractions:
1/5 + 5/10 =
7/10
200
Subtract the Fractions:
2/5 - 1/10 =
3/10
200
On the playground, 1/6 of the students are on the jungle gym and 1/4 of the students are playing kickball. What fraction of all the students on the playground are on the jungle gym or playing kickball?
______ of the students
5/12
300
18/30
3/5
300
3/4, 2/3 =
9/12, 8/12
300
Add the Fractions:
1/3 + 1/4 =
7/12
300
Subtract the Fractions:
1/2 - 2/5 =
1/10
300
Pia has 9/10 meter of ribbon. She cuts off 3/5 meter of the ribbon to use as a bow on a box. How much ribbon does Pia have left?
3/10 meter of ribbon
400
14/35
2/5
400
1/4, 5/6 =
3/12, 10/12
400
Add the Fractions:
1/4 + 5/10 =
1/2 or 10/20
400
Subtract the Fractions:
7/9 - 1/6 =
11/18
400
Nathan spent 1/5 of his allowance on a movie ticket and 1/4 of his allowance on a snack. How much of his allowance did Nathan spend?
9/20
500
40/44
10/11
500
2/9, 1/6
4/18, 3/18
500
Add the Fractions:
4/5 + 1/2 =
13/10 or 1 3/10
500
Subtract the Fractions:
3/4 - 1/10 =
13/20
500
Nathan spent 1/5 of his allowance on a movie ticket and 1/4 of his allowance on a snack.
How much more of his allowance did Nathan spend on the snack than on the movie ticket?
1/20