Adding and Fractions With Like Denominators

Subtracting Easy Fractions

100

2/3 - 1/3 =

1/3

200

5/6 - 2/6 =

3/6

300

4/8 - 4/8 = 

0/8 or 0

400

9/9 - 3/9 = 

6/9 

500

10/10 - 9/10 =

1/10

Adding Easy Fractions

100

1/5 + 1/5 =

2/5

200

3/10 + 1/10 =

4/10

300

4/4 +0/4 = 

4/4

400

5/10 + 4/10 =

9/10

500

3/4 + 1/4 =

4/4

Adding and Subtraction Fractions

100

1/6 + 1/6 + 1/6 =

3/6

200

1/12 + 1/12 + 1/12 =

3/12

300

3/15 + 1/15 + 5/15 =

9/15

400

18/20 - 6/20 - 1/20

11/20

500

50/100 - 25/100 - 20/100

5/100

Decompose the Fraction

100

5/20 =

5/20 + 0/20

1/20 + 4/20

2/20 + 3/20

200

6/6

1/6 + 5/6

2/6 + 4/6

3/6 + 3/6

0/6 + 6/6

300

1/1

0/1 + 1/1

400

2/4

1/4 + 1/4

0/4 + 2/4

500

33/40

11/40 + 11/40 + 11/40

20/40 + 13/40

30/40 + 3/40

Word Problems

100

Bonnie ran 1/4 mile, Olga ran 3/4 mile, Gracie ran 5/4 miles, and Maria ran 2/4 mile. How much farther, f, did Gracie run than Bonnie and Maria combined, c?

Gracie ran 3/4 mile further then Bonnie and Maria

200

Billy did 1/6 of his homework on Friday. He did 1/6 more on Saturday. Billy still had 4/6 to finish. How much of his homework did Billy do on Friday and Saturday?

A-2/6

B-3/6

C-4/6

D-5/6

A - 2/6

300

Draw a number line to show 2/3 + 2/3

Hold up White Boards

400

Select all the ways that decompose 9/10. Use a fraction model if needed. 

A 4/10 + 5/10 

B 3/10 + 1/10 + ___1 10 + ___1 10 + 1/10 + 1/10 

C 3/10 + 7/10 

D 1/10 + 1/10 + 3/10 + 4/10 

E 4/10 + 2/10 + 2/10 + 1/10

A D E

500

Mary saw two poison dart frogs. One was 7/8 inch long and the other was 5/8 inch long. How much longer was one than the other?

One poison dart frog was 2/8 inches longer than the other poison dart frog.