Fraction Review

Add Fractions with Unlike Denominators

100

Add the Fractions:

1/2 + 1/4 =

 3/4

200

Add the Fractions:

1/5 + 5/10 =

 7/10

300

Add the Fractions:

1/2 + 4/10 =

 9/10

400

Add the Fractions:

3/4 + 5/10 =

25/20 or 1 and 5/20

500

Amy has 4/5 of a cup of sugar and Allison has 1/2 of a cup of sugar.  How many cups of sugar do the girls have altogether?

13/10 or 1 and 3/10 cups of sugar

Subtract Fractions with Unlike Denominators

100

Subtract the fractions:

3/4 - 1/2 =

1/4

200

Subtract the Fractions:

2/5 - 1/10 =

3/10

300

Subtract the Fractions:

1/2 - 2/5 =

1/10

400

Subtract the Fractions:

1 and 1/3 - 1/4 =

1 and 1/12

500

2 and 1/2 - 3/4

1 and 3/4 

Multiply Fractions

100

3/4 x 1/5 = 

3/20

200

5/2 x 1/2 = 

5/4 or 1 and 1/5

300

Without solving, will the product of 3/2 x 10 be more than 10, less than 10, or equal to 10?

More than 10.

400

Without solving, will the product of 1/2 x 7 be more than 7, less than 7, or equal to 7?

Less than 7

500

1/3 of 1 and 1/4 = 

5/15

Dividing Fractions

100

6 ÷ 1/4 = 

8

200

1/5 ÷ 2 = 

1/10

300

5 people share 2 candy bars equally.  What is the correct fraction to represent how much each person gets?

2/5 or 5/2?

Each person will get 2/5 of a candy bar.

400

7 gallons of juice are split equally between 4 classes.  How many gallons will each class get?

7/4 or 1 and 3/4 gallons

500

4 students are sharing 1/3 of a pan of brownies.  How much of the whole pan does each student get?

Each student gets 1/12 of the pan.

Misc.

100

What is 1/5 of 3?

3/5

200

Jenny needs 4 and 1/3 feet of rope for a project.  She already has 2/3 of a foot.  How much more does she need to complete her project?

3 and 2/3 feet.

300

The area of a rectangle has a length of 1/2 inch and a width of 8/9 inch.  What is the area of the rectangle?

8/18 inch.