Adding and Subtracting Fractions with Unlike Denominators

This video tutorial covers adding and subtracting fractions with unlike denominators. It explains the process of finding the least common denominator and provides step-by-step examples for both addition and subtraction. The video also includes complex examples involving multiple fractions and concludes with a summary of key points.

What must be the same before you can add or subtract fractions?

• Fraction bars

• Numerators

• Denominators

• Whole numbers

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

What is the abbreviation for Least Common Denominator?

• LCD

• LCM

• CMD

• LDC

What do you need to find to add fractions with unlike denominators?

• Greatest Common Factor

• Least Common Multiple

• Highest Denominator

• Smallest Numerator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step in solving fractions with unlike denominators?

• Subtract the numerators

• Simplify the fractions

• Find the least common denominator

• Add the numerators

Tags

CCSS.7.NS.A.1C

How do you simplify the fraction 4/6?

• 2/4

• 1/2

• 3/4

• 2/3

What is the result of adding 1/6 and 4/6?

• 1/2

• 2/3

• 5/12

• 5/6

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

When simplifying the fraction 4/6, what common factor do you divide by?

• 6

• 2

• 3

• 4

What operation do you perform when fractions have different signs?

• Addition

• Division

• Subtraction

• Multiplication

Tags

CCSS.7.NS.A.1C

What is the result of subtracting negative fractions?

• An improper fraction

• A positive fraction

• A negative fraction

• A whole number

Tags

CCSS.7.NS.A.1C

How do you handle a subtraction operation when dealing with fractions?

• Change to addition and use the opposite sign

• Multiply the denominators

• Divide the numerators

• Keep the operation as is

Tags

CCSS.7.NS.A.1C