Adding and Subtracting Fractions w/ Unlike Denominators

Estimate

100

3 1/8 - 1 3/4 

1 foot

200

4 3/4 + 7/8

6

300

1 1/3 + 2 3/4 

4

400

3/5 - 1/7

1/2 

500

8 7/10- 5 3/8 

4

Adding Fractions w/ unlike denominators

100

1/2 + 1/4

3/4

200

1/6 + 2/3

5/6

300

1/15 + 3/10

11/30

400

1 2/5 + 2 3/20

3 11/20

500

5 2/6 + 3 3/5

8 14/15

Subtracting fractions w/ unlike denominators

100

1/2 - 1/4

                                             

1/4

200

2/3 - 1/6

                                              

1/2

300

4 1/5 - 7/10 

                                             

5/10

400

5 4/5 - 2 3/4

3 1/20

500

4 1/5 - 5 3/7

-1 8/35

random

100

Question 5 assessment practice 

4/12 & 3/ 12

200

Question number 2 on page 323 

1 & 4

300

Mark is making a small frame in the 1 shape of an equilateral triangle with the 3 1/2dimensions shown below. What is the

perimeter of the frame?

10 1/2

400

What does simplify mean?

To reduce a fraction to it's simplest form or make the fraction as small as possible. 

500

(2 4/10 + 8 4/5) - 3 1/5

8