Fractions (add/sub)

Converting

100

Convert 4/10 to a decimal

.4

200

Convert .007 to a fraction

7/1000

300

Convert this fraction into a decimal   4/5

.8

400

Convert this decimal into a mixed number:  77.34

77 34/100

500

Convert 7/20 into a decimal

.35

Equivalent

100

5/10 ____1/2

=

200

9/10  ____ 3/4

>

300

6/8 ___4/5

<

400

5 2/7 _____ 5 3/8

<

500

3.45 ___3.405

>

Adding

100

4/10 + 3/10

7/10

200

3/5  +  1/4

17/20

300

2/8  +  1/6

5/12

400

2 2/5 +  17 1/10

19 1/2

500

8 2/3 + 16 3/12

24 11/12

Subtracting

100

8/10 - 6/10

2/10

200

3/8 - 1/4

1/4

300

11 4/9 - 8 2/6

3 1/9 

400

33 5/12 - 3  7/24

30 1/8

500

If I buy 3 2/3 gallons of paint to paint my room, and I only use 1  1/5 a gallon of the paint, how much paint will I have left over? 

2  7/15

Simplifying

100

2/4

1/2

200

24/32

3/4

300

25/35

5/7

400

12/20

4/5

500

4 2/20

4 1/5