Finding and Checking Equivalent Fractions

The video tutorial introduces the concept of equivalent fractions using a pizza example. It explains two methods to find equivalent fractions: multiplying or dividing the numerator and denominator by the same number. The tutorial includes problem-solving exercises to find missing numerators or denominators in equivalent fractions. It also teaches how to check if fractions are equivalent using cross-multiplication.

What fraction of the cheese pizza did Sam take?

• 1/3

• 1/2

• 2/3

• 1/4

Which of the following is an equivalent fraction to 2/3?

• 3/4

• 4/6

• 6/8

• 5/7

If the numerator of an equivalent fraction to 3/5 is 12, what is the denominator?

• 15

• 24

• 20

• 18

What is the missing numerator if the equivalent fraction of 15/21 has a denominator of 7?

• 3

• 5

• 7

• 9

How do you check if two fractions are equivalent?

• Cross-multiply and compare products

• Add the numerators and denominators

• Subtract the numerators

• Divide the numerators by the denominators

Are the fractions 3/9 and 4/12 equivalent?

• Yes

• No

• Only if simplified

• Depends on the context

Which of the following pairs of fractions are not equivalent?

• 5/10 and 1/2

• 2/3 and 4/6

• 6/10 and 2/5

• 3/9 and 4/12