Fractions

Adding Fractions

100

Adding unlike fractions:

1/2 + 7/12

13/12

200

Adding unlike fractions:

7/9 + 3/18 =

17/18

300

Adding fractions 

8/10 + 3/5 =

14/10 or 1 2/5

400

Adding unlike fractions

5/15 + 1/5 =

8/15

500

Adding unlike fractions

3/9 + 4/27 =

13/27

Subtracting Fractions

100

Subtract unlike fractions:

5/9 - 1/3 =

2/9

200

Subtract unlike fractions:

3/24 - 3/12 =

-3/24 or -1/8

300

Subtract like fractions

17/18 - 12/18 =

5/18

400

Subtract unlike fractions

 3/4 -  1/2

1/4

500

Subtracting unlike fractions

 15/16 - 7/8

1/16

Converting Fractions

100

Convert mixed numbers to fractions

5 3/5

28/5

200

Fractions to mixed numbers:

9/5

1 4/5

300

Equivalent fractions (2 fractions)

3/4 = 6 /_

6/8

400

Simplify fractions:

15/50

3/10

500

Find common denominators for the following fractions:

2/6 and 1/4 

4/12 and 3/12

Finding Least Common Multiples

100

4 and 18

36

200

5 and 8

40

300

16 and 20

80

400

12 and 16

48

500

28, 35, and 21

420

Word Problems

100

An empty box weighs 2¹/₄ pounds.  It is then filled with 16²/₃ pounds of fruit.  What is the weight of the box when it is full?

18¹¹/₁₂

200

Allison is making a mixture in a jar.  Each jar contains 6²/₅ scoops of powder.  The powder container can hold 320 scoops of powder.  How many jars can Allison make?

50 jars.

300

Sheila had 8 yards of fabric.  She used 2¹/₄ yards to make a dress.  How much fabric does she have left

5³/₄ yards

400

A father leaves his money to his four children.  The first received 1/3, the second received 1/6, and the third received 2/5.  How much did the remaining child receive?  (Hint: You can think of the father's money as one whole)

1/10 of the money

500

Find the total perimeter of an equilateral triangle if each side measures 2¹/_4.

6³/₄ inches