Adding Mixed Numbers and Improper Fractions

This video tutorial demonstrates two methods for adding mixed numbers: using improper fractions and directly with mixed numbers. It explains how to convert mixed numbers to improper fractions, find a common denominator, and perform the addition. The video also covers converting the result back to a mixed number. Additionally, it shows how to add mixed numbers directly by aligning fractions and whole numbers, ensuring a common denominator, and converting improper fractions to mixed numbers.

What are the two methods discussed for adding mixed numbers?

• Using decimals and percentages

• Using improper fractions and mixed numbers

• Using whole numbers and decimals

• Using percentages and fractions

How do you convert 2 and 3/4 to an improper fraction?

• Multiply 4 by 2 and add 3

• Multiply 3 by 2 and add 4

• Multiply 2 by 3 and add 4

• Multiply 4 by 3 and add 2

What is the least common denominator of 2 and 4?

• 4

• 2

• 6

• 8

Tags

CCSS.7.NS.A.1C

What is the result of adding 11/4 and 6/4?

• 17/4

• 16/4

• 15/4

• 18/4

How do you convert 17/4 to a mixed number?

• 3 and 1/4

• 5 and 1/4

• 2 and 1/4

• 4 and 1/4

Tags

CCSS.7.NS.A.1C

What is the first step in adding mixed numbers directly?

• Subtract the fractions

• Convert to improper fractions

• Add the whole numbers first

• Find a common denominator for the fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 3/4 and 2/4?

• 4/4

• 7/4

• 6/4

• 5/4

How do you convert 5/4 to a mixed number?

• 2 and 1/4

• 1 and 1/4

• 3 and 1/4

• 4 and 1/4

Tags

CCSS.7.NS.A.1C

What is the final sum of the mixed numbers as a mixed number?

• 2 and 1/4

• 5 and 1/4

• 3 and 1/4

• 4 and 1/4

What is the purpose of converting an improper fraction to a mixed number?

• To express the result in a more understandable form

• To make calculations easier

• To simplify the fraction

• To change the denominator