Adding and Subtracting Fractions with Like Denominators

The video tutorial covers adding and subtracting fractions with like denominators. It begins by explaining the concept of like denominators, followed by a practical example using pieces of pie to illustrate the addition of fractions. The tutorial then explains the equation for adding fractions, emphasizing that the denominator remains the same while numerators are added. Finally, it discusses simplifying fractions to their simplest form.

What does it mean when fractions have 'like denominators'?

• The numerators are the same

• The fractions represent the same value

• The denominators are the same

• The fractions are both improper

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

If you have eaten 2/5 of a pie and then eat another 1/5, how much of the pie have you eaten in total?

• 3/5

• 2/5

• 4/5

• 1/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

In the example with the pie, how many pieces did the pie originally have?

• 5 pieces

• 3 pieces

• 4 pieces

• 6 pieces

Tags

CCSS.1.G.A.3

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

• Keep the denominator the same and add the numerators

• Multiply the numerators

• Simplify the fraction

• Add the denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What does simplifying a fraction involve?

• Multiplying the numerator and denominator

• Finding the largest number that divides both the numerator and the denominator

• Adding the numerator and denominator

• Subtracting the numerator from the denominator

If a fraction cannot be simplified further, what is true about its numerator and denominator?

• They are both multiples of ten

• They are equal

• They are both even numbers

• They are relatively prime

What is the result of adding 2/5 and 1/5?

• 1/5

• 4/5

• 2/5

• 3/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How many pieces of pie were eaten in total in the example?

• One piece

• Two pieces

• Three pieces

• Four pieces

Tags

CCSS.1.G.A.3

What is the denominator in the final answer of the example problem?

• 4

• 6

• 5

• 3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2