Fractions in Simplest Form Practice

What are the common factors of 12 and 40?

• 1, 2, 4

• 1, 2, 3, 4, 6, 12

• 1, 2, 4, 6, 8, 10, 20, 40

• 1, 2, 3, 4, 5, 6, 8, 10, 12, 20, 40

The Greatest Common Factor (GCf) of 12 and 40 is ​ (a)  

• 4
• 1
• 2
• 3
• 5
• 6
• 10
• 12
• 20
• 40

Choose the fraction 12/40 in simplest form. If it is already in simplest form, choose simplest form.

• simplest form

• 6/20

• 24/80

• 3/10

Match the fraction with its simplest form. If the fraction is already simplest form, choose simplest form.

• 1/2

• 4/6

• 1/5

• 2/5

• 1/4

• 3/12

• 2/3

• 4/8

• Simplest Form

• 2/10

Choose the fraction 3/16 in simplest form. If it is in simplest form, choose simplest form.

• 3/16 is already in simplest form.

• 1/8

• 3/8

• 1/16

Choose the fraction 5/12 in simplest form. If it is in simplest form, choose simplest form.

• 5/12 is already in simplest form.

• 5/6

• 1/2

• 2/5

Choose the fraction 8/20 in simplest form.

(a)  

• 2/5
• 4/10

• 8/20

• 1/4

Choose the fraction 9/15 in simplest form.

(a)  

• 3/5
• 9/15

• 1/2

• 5/9

In Mrs. Norquist's class, 1/6 of all students have red hair, 2/6 of all students have brown hair, and 3/6 of all students have black hair. What fraction of students have EITHER red or brown hair? What is this answer in simplest form? Select BOTH the answer AND its simplest form.

• 3/6

• 2/6

• 1/2

• 4/6