# Greatest Common Factor Quiz

After learning **How to Get the Greatest Common Factor of Two Numbers**, let’s have a quiz! The greatest common factor is used to reduce a fraction to lowest terms, so I included such items on the quiz below.

To reduce a fraction to lowest terms, get the greatest common factor of the numerator and the denominator, and then divide

**Greatest Common Factor Quiz**

Part 1: Get the greatest common factor of the following numbers.

1.) 12 and 15

2.) 18 and 28

3.) 36 and 45

4.) 56 and 72

5.) 26 and 65

6.) 8, 12, and 64

7.) 30, 45, and 54

8.) 10 and 31

Part 2: Reduce the following fractions to lowest terms.

9.)

10.)

11.)

12.)

You might also want to read **How to Convert Fractions to Lowest Terms**.