Comparing and Ordering Rational Numbers

What is a common denominator?

• A common multiple of the numerators of two or more fractions

• A common multiple of the denominators of two or more fractions

• The sum of the denominators of two or more fractions

• The greatest common factor of the numerators

Which fraction is larger: -1 1/16 or -1 5/6?

• They are equal

• -1 5/6

• -1 1/16

• Cannot be determined

When comparing negative fractions, which direction on the number line indicates a larger value?

• Down

• Up

• Right

• Left

What is the least common denominator (LCD) of 7/12 and 8/18?

• 36

• 48

• 12

• 18

Which fraction is greater: 15/18 or 14/18?

• They are equal

• 15/18

• Cannot be determined

• 14/18

What is the least common multiple (LCM) of 16 and 10?

• 160

• 80

• 40

• 20

In Mr. Hang's class, what fraction of students own roller shoes?

• 1/5

• 20/100

• 5/29

• 2/10

Convert 37.5% to a fraction.

• 3/4

• 3/8

• 15/40

• 5/8

Which of the following is the correct order from least to greatest: 0.23, 0.21, 1/4, 1/5?

• 1/5, 0.23, 0.21, 1/4

• 0.21, 1/5, 0.23, 1/4

• 1/5, 0.21, 0.23, 1/4

• 0.23, 0.21, 1/4, 1/5

What is the decimal equivalent of 1/5?

• 0.5

• 0.2

• 0.25

• 0.1