Understanding Fractions: Comparing 1/4 and 2/5

The video tutorial explains how to determine which of two fractions is greater by using two methods: converting fractions to decimals and comparing them, or finding a common denominator and comparing numerators. The tutorial demonstrates these methods with the fractions 1/4 and 2/5, showing that 2/5 is greater than 1/4. The video concludes with a summary of the comparison techniques.

What is the first step to compare fractions using decimals?

• Divide the numerators

• Multiply the fractions

• Convert fractions to decimals

• Find a common denominator

Tags

CCSS.4.NF.A.2

What is the alternative method to compare fractions besides using decimals?

• Finding a common numerator

• Adding the fractions

• Finding a common denominator

• Subtracting the fractions

What is the common denominator for 1/4 and 2/5?

• 20

• 15

• 10

• 25

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

When converting 1/4 to have a denominator of 20, what is the new numerator?

• 4

• 5

• 8

• 6

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the new numerator for 2/5 when converted to a denominator of 20?

• 8

• 7

• 9

• 6

Tags

CCSS.3.NF.A.3D

Which fraction is larger after conversion: 5/20 or 8/20?

• Cannot be determined

• They are equal

• 8/20

• 5/20

Tags

CCSS.4.NF.A.2

What is the final conclusion about the comparison between 1/4 and 2/5?

• 2/5 is larger

• 1/4 is larger

• They are equal

• Cannot be compared

Tags

CCSS.4.NF.A.2