Comparing and Converting Fractions

The video tutorial covers the fourth-grade concept of comparing fractions, specifically focusing on Texas standard 4.3d. It uses a problem from the 2016 released STAAR test to demonstrate how to compare fractions with different denominators by finding the least common multiple (LCM) to create equivalent fractions. The tutorial walks through several examples, showing how to convert fractions to have common denominators and then compare them. The video concludes with a solution to the problem, emphasizing the importance of understanding equivalent fractions and common denominators in fraction comparison.

What is the main topic discussed in the video?

• Subtracting fractions

• Multiplying fractions

• Comparing fractions

• Adding fractions

Why can't we directly compare fractions with different denominators?

• Because the numerators are always different

• Because the denominators are different

• Because fractions are always equal

• Because the fractions are improper

What is the first step in comparing fractions with different denominators?

• Find the greatest common factor

• Find the least common multiple

• Subtract the fractions

• Add the fractions

How do you convert one-fifth to an equivalent fraction with a denominator of 20?

• Multiply by 2

• Multiply by 3

• Multiply by 4

• Multiply by 5

What is the equivalent fraction of two-fourths with a denominator of 20?

• Ten-twentieths

• Four-twentieths

• Eight-twentieths

• Five-twentieths

Which fraction is greater: four-sixths or three-sixths?

• Three-sixths

• They are equal

• Four-sixths

• Cannot be determined

What is the least common multiple of 3 and 7?

• 21

• 28

• 14

• 35

How do you convert one-third to an equivalent fraction with a denominator of 21?

• Multiply by 5

• Multiply by 6

• Multiply by 7

• Multiply by 8

What is the equivalent fraction of two-sevenths with a denominator of 21?

• Six-twenty-firsts

• Four-twenty-firsts

• Eight-twenty-firsts

• Ten-twenty-firsts

Which fraction is greater: seven-twenty-firsts or six-twenty-firsts?

• Seven-twenty-firsts

• Cannot be determined

• Six-twenty-firsts

• They are equal