Adding and Subtracting Fractions in GoMath

This lesson covers the basics of adding and subtracting fractions, emphasizing the importance of having the same denominator. It explains how to handle whole numbers in fraction form and provides practice problems to reinforce these concepts. The lesson also includes word problems to apply these skills in real-world scenarios. Key takeaways include ensuring common denominators for addition and subtraction and understanding whole numbers as fractions.

What remains unchanged when adding or subtracting fractions with the same denominator?

• The fraction bar

• The numerator

• The whole number

• The denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 2/6 and 3/6?

• 1

• 5/6

• 1/2

• 5/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you convert a whole number into a fraction for subtraction?

• Multiply by the denominator of the other fraction

• Subtract the whole number from the fraction

• Divide by the denominator of the other fraction

• Convert the whole number to a fraction with the same denominator as the other fraction

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 1 whole minus 2/5 when converted to a fraction?

• 2/5

• 5/5

• 1/5

• 3/5

Tags

CCSS.4.NF.B.3A

How do you simplify the fraction 4/6?

• 4/6 remains the same

• 2/6

• 1/2

• 2/3

What is the simplified form of 12/15?

• 4/5

• 3/5

• 2/3

• 6/15

Tatum ate 5/8 of her pizza and Emily ate 3/8. How much more did Tatum eat?

• 5/8

• 2/8

• 1/4

• 3/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

After eating 4/6 cup of cereal, how much does Darius have left if he started with one cup?

• 1/3

• 2/6

• 1/6

• 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which is the correct sum of 1/4 and 1/8?

• 1/3

• 1/2

• 3/8

• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you find a common denominator for fractions with different denominators?

• Subtract one denominator from the other

• Add the denominators

• Multiply the numerators

• Find a number that both denominators can divide into