Adding and Subtracting Fractions with Same Denominator

This video tutorial teaches how to add and subtract fractions with the same denominator. It begins with a review of what fractions are, including the concepts of numerator and denominator. The video then explains the process of adding fractions by keeping the common denominator and adding the numerators, followed by examples. Similarly, it covers subtracting fractions by maintaining the common denominator and subtracting the numerators, with practical examples to reinforce learning.

What does a fraction represent?

• A division of a whole into equal parts

• A subtraction of numbers

• A multiplication of numbers

• A division of a whole into unequal parts

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the result of adding 2/8 and 3/8?

• 1/4

• 5/8

• 5/16

• 1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

To add fractions with the same denominator, you should:

• Subtract the numerators

• Multiply the numerators

• Keep the denominator and add the numerators

• Add both numerators and denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How much of Smiley Thon is occupied by aliens?

• 3/4

• 1/2

• 5/8

• 2/3

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction of Learnathon is covered with water?

• 3/5

• 2/5

• 4/5

• 1/5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the result of subtracting 2/9 from 5/9?

• 3/18

• 7/9

• 3/9

• 2/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

To subtract fractions with the same denominator, you should:

• Add the numerators

• Subtract both numerators and denominators

• Keep the denominator and subtract the numerators

• Multiply the numerators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the common denominator in the subtraction example provided?

• 8

• 9

• 3

• 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How many fields on Smiley Thon are planted with apple trees?

• 2/8

• 4/8

• 6/8

• 1/8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction of Learn Turn is covered with woods?

• 2/5

• 1/5

• 4/5

• 3/5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B