Adding Fractions and Mixed Numbers

The video tutorial covers the addition of fractions, including like fractions, mixed numbers with the same and different denominators, and unlike fractions. It explains methods to add mixed numbers, such as adding whole numbers and fractions separately or converting to improper fractions. The tutorial also demonstrates finding the least common multiple (LCM) for unlike fractions and converting sums to mixed numbers. Students are encouraged to practice problems for better understanding.

What is the result of adding the numerators 1, 4, and 2 for like fractions with a common denominator of 9?

• 6/9

• 8/9

• 7/9

• 5/9

Tags

CCSS.7.NS.A.1C

When adding mixed numbers with the same denominators, what is the first step in Method 1?

• Convert to improper fractions

• Add the whole numbers

• Simplify the fractions

• Find the LCM

Tags

CCSS.7.NS.A.1C

In Method 2 for adding mixed numbers with the same denominators, what do you do after converting to improper fractions?

• Add the fractions

• Convert back to mixed numbers

• Find the LCM

• Add the whole numbers

Tags

CCSS.7.NS.A.1C

What is the first step in adding unlike fractions?

• Find the LCM of the denominators

• Simplify the fractions

• Convert to mixed numbers

• Add the numerators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

After finding the LCM for unlike fractions, what is the next step?

• Simplify the fractions

• Convert to mixed numbers

• Add the fractions

• Convert to equivalent fractions

Tags

CCSS.7.NS.A.1C

What is the first step in adding mixed numbers with different denominators?

• Find the LCM

• Simplify the fractions

• Convert to improper fractions

• Add the whole numbers

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When adding mixed numbers with different denominators, what is the LCM of 10, 20, and 40?

• 40

• 30

• 20

• 50

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step in adding fractions and mixed numbers?

• Simplify the fractions

• Add the numerators

• Convert mixed numbers to improper fractions

• Find the LCM

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the LCM of 8, 4, and 12 when adding fractions and mixed numbers?

• 24

• 20

• 12

• 16

Tags

CCSS.7.NS.A.1C

After converting mixed numbers to improper fractions, what is the next step in adding them with fractions?

• Simplify the fractions

• Convert to mixed numbers

• Find the LCM

• Add the whole numbers

Tags

CCSS.7.NS.A.1C