Fraction Operations and Concepts

In this video, Mr. J explains how to subtract fractions with unlike denominators. The tutorial covers two examples: subtracting 7/8 and 3/4, and subtracting 4/6 and 8/15. The process involves finding a common denominator, renaming the fractions, subtracting the numerators, and simplifying the result. Mr. J also provides links to additional resources for further learning.

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

• Multiply the fractions

• Add the numerators

• Divide the fractions

• Find a common denominator

What is the least common multiple of 8 and 4?

• 12

• 4

• 16

• 8

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

How do you rename 3/4 with a denominator of 8?

• 9/8

• 3/8

• 12/8

• 6/8

Tags

CCSS.7.NS.A.1C

What is the result of 7/8 - 3/4 after renaming the fractions?

• 3/8

• 1/4

• 1/8

• 2/8

What is the least common multiple of 6 and 15?

• 45

• 30

• 60

• 90

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

How do you rename 4/6 with a denominator of 30?

• 10/30

• 15/30

• 20/30

• 25/30

Tags

CCSS.7.NS.A.1C

What is the result of 4/6 - 8/15 after renaming the fractions?

• 4/30

• 6/30

• 2/30

• 8/30

What is the simplified form of 4/30?

• 3/15

• 2/15

• 4/15

• 1/15

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What should you do after subtracting the numerators in a fraction problem?

• Keep the denominator the same

• Divide the result by 2

• Multiply the result by 2

• Add the denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the final step in solving a fraction subtraction problem?

• Multiply the fractions

• Simplify the answer

• Add the fractions

• Divide the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2