Adding and Subtracting Fractions with Unlike Denominators

This video tutorial covers the basics of adding and subtracting fractions with unlike denominators. It begins with a review of simplifying fractions using the identity property of division. The main focus is on finding a common denominator using the pattern method, followed by rewriting fractions and performing operations on numerators. The video includes detailed examples and concludes with solving word problems using fractions, emphasizing that the process is similar to working with whole numbers.

What is the first step in simplifying fractions?

• Multiply the numerator and denominator by the same number

• Divide by the greatest common divisor

• Add the fractions directly

• Find a common denominator

What is crucial for adding or subtracting fractions?

• Multiplying the fractions

• Having different denominators

• Having the same numerator

• Having the same denominator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which method is introduced for finding common denominators?

• The multiplication method

• The pattern method

• The division method

• The subtraction method

Tags

CCSS.7.EE.B.3

What do you do if you get an improper fraction as an answer?

• Change it to a whole number

• Leave it as is

• Convert it into a mixed number

• Only simplify it

How do you find equivalent fractions with a common denominator?

• By using the pattern method

• By dividing denominators

• By adding numerators

• By subtracting numerators

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

What is the sum of 1/5 and 1/2 when simplified?

• 7/10

• 2/5

• 3/7

• 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of subtracting 3/5 from 2/3?

• 1/5

• 1/15

• 3/10

• 2/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the simplified form of 15/20?

• 2/5

• 3/5

• 3/4

• 1/2

In word problems, what can you do with fractions?

• Only add and subtract

• Multiply, divide, and compare

• Nothing different than with whole numbers

• Only simplify them

Tags

CCSS.7.NS.A.1D

How much more of a popsicle did Jordan eat on Tuesday than Monday?

• 1/4

• 3/4

• 1/2

• 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2