Adding Fractions with Different Denominators

This video tutorial covers the process of adding fractions with different denominators. It begins with a brief review of adding fractions with common denominators and introduces the concept of using diagrams to visualize the addition process. The tutorial then explains how to create common denominators through multiplication, providing step-by-step instructions and example problems. The video concludes with a more complex example involving multiple denominators, demonstrating how to simplify improper fractions and convert them to mixed numbers.

What do you do with the denominator when adding fractions with the same denominator?

• Keep the denominator the same

• Find the lowest common denominator

• Add the denominators

• Multiply the denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you find a common denominator for fractions with different denominators?

• Subtract one denominator from the other

• Find a number that both denominators can divide into

• Multiply the denominators

• Add the two denominators

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

• Add the numerators

• Simplify the fractions

• Find the lowest common denominator

• Multiply the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

After finding the lowest common denominator, what is the next step in adding fractions?

• Adjust the numerators and add them

• Add the denominators

• Multiply the fractions

• Simplify the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What do you do if the denominators of the fractions you are adding do not match?

• Find the lowest common denominator and adjust the fractions

• You can only add fractions with the same denominator

• Add the numerators only

• Multiply the denominators together to find a common denominator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When simplifying an improper fraction, what do you do with the remainder?

• Multiply it by the denominator

• Place it over the original denominator

• Add it to the whole number

• Ignore it

What is the lowest common denominator for fractions with denominators 2 and 3?

• 6

• 5

• 3

• 2

How do you handle an improper fraction result after adding fractions?

• Leave it as is

• Convert it into a mixed number

• Multiply the result by the denominator

• Divide the numerator by the denominator and ignore the remainder

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you simplify a fraction part of an improper fraction?

• Divide the numerator by the denominator

• Multiply the numerator by the denominator

• Divide both the numerator and the denominator by their greatest common divisor

• Add the numerator to the denominator

What is the lowest common denominator for fractions with denominators 3, 6, and 8?

• 12

• 18

• 36

• 24