Simplest Form
Estimate Sums and Differences of Fractions
Finding Lowest Common Denominators
Add Fractions and Mixed Numbers with Unlike Denominators
Subtract Fractions and Mixed Numbers with Unlike Denominators
100

What is 2/12 in simplest form?

1/6

100

Estimate the Difference of 7/8 - 1/5.

1

100

Use the Lowest Common Denominator to write an equivalent fraction for each fraction.

1/4 and 1/2

1/4 and 2/4

100

2/15 + 2/3 =

4/5

100

1/4 - 1/8 =

1/8

200

What is 15/30 in simplest form?

1/2

200

Estimate the Sum of 5/6 + 9/10.

2

200

Use the Lowest Common Denominator to write an equivalent fraction for each fraction. 

5/6 and 8/9

30/36 and 32/36

200

7/10 + 5/6 = 

23/15 or 1 8/15

200

4/3 - 2/5 = 

14/15

300

What is 8/32 in simplest form?

1/4

300

Estimate the Difference of 11/12 - 89/100.


300

Use the Lowest Common Denominator to write an equivalent fraction for each fraction. 

4/5 and 3/4

16/20 and 15/20

300

1/6 + 11/12 + 4/6 =

7/4 or 1 3/4

300

5  1/3 - 2  1/2 = 

2  5/6

400

What is 25/10 in simplest form?

5/2 or 2 1/2

400

Estimate the Sum of 3/4 + 1/8.

1

400

Use the Lowest Common Denominator to write an equivalent fraction for each fraction. 

2/3 and 2/9

67 67 6767 6 76767 676 767 67 67676 76 7 67 67 6 7 67 67 67 6 76 7 67 6 7 67

400

1  3/4 + 7  5/8 =

9  3/8

400

9  2/5 - 6  3/4 =

2  13/20

500

What is 16/24 in simplest form?

2/3

500

Estimate the Difference of 1/4 - 1/8.

0

500

Use the Lowest Common Denominator to write an equivalent fraction for each fraction. 

2/3 and 5/6 

4/6 and 5/6

500

5  8/9 + 5/6 = 

6  13/18

500

A family adopts a puppy that weighs 7  7/8 pounds. They take him to the vet 2 weeks later, and he weighs 12  3/16 pounds.  How much weight did the puppy gain? 

4  5/16 pounds

M
e
n
u