Adding and Subtracting Fractions with Like Denominators

This video tutorial covers the basics of fractions, focusing on adding and subtracting fractions with like denominators. It explains the concepts of numerators and denominators, and provides examples and practice problems to reinforce learning. The lesson concludes with a preview of the next topic: adding and subtracting fractions with unlike denominators.

What does the numerator of a fraction represent?

• The number of parts we are considering

• The size of each part

• The total number of parts in a whole

• The type of fraction

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the denominator in a fraction?

• The total number of equal parts the whole is divided into

• The type of fraction

• The size of each part

• The number of parts we have

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How do you add fractions with like denominators?

• Subtract the numerators

• Add the numerators and keep the denominator the same

• Multiply the numerators

• Add both numerators and denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

If you have 1/4 of a pizza and add another 1/4, what fraction of the pizza do you have?

• 2/4

• 1/4

• 1/8

• 1/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the result of adding 5/8 of a pizza to 1/8 of a pizza?

• 3/4

• 1/8

• 5/16

• 6/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you subtract fractions with like denominators?

• Subtract the numerators and keep the denominator the same

• Add the numerators

• Multiply the numerators

• Subtract both numerators and denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

If you have 3/6 of a pizza and eat 1/6, how much pizza is left?

• 4/6

• 1/2

• 2/6

• 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the result of subtracting 6/15 of a pizza from 8/15 of a pizza?

• 14/15

• 2/15

• 2/30

• 1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

If you have 17/20 of a pizza and someone eats 14/20, how much pizza is left?

• 3/40

• 1/4

• 31/20

• 3/20

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When adding or subtracting fractions with like denominators, what stays the same?

• Both numerator and denominator

• Neither

• The denominator

• The numerator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D