Exploring Fraction Operations and Reviews

This video tutorial provides a comprehensive review of fractions, covering the four main operations: addition, subtraction, multiplication, and division. It explains how to handle fractions with different denominators, multiply and divide fractions using reciprocals, and simplify fractions by finding common factors. The tutorial also introduces proportions and demonstrates cross-multiplication to solve them.

Which of the following is NOT one of the four main operations with fractions?

• Adding

• Multiplying

• Simplifying

• Subtracting

Tags

CCSS.7.NS.A.1D

What must be the same when adding or subtracting fractions?

• Mixed numbers

• Numerators

• Whole numbers

• Denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• Multiply both denominators by 2

• Add the denominators together

• Multiply each fraction by the other fraction's denominator

• Subtract the smaller denominator from the larger one

What is the result of 1/2 + 3/4?

• 5/4

• 1/4

• 2/4

• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When multiplying fractions, you should:

• Divide the numerators and denominators

• Subtract the numerators and denominators

• Multiply the numerators and denominators

• Add the numerators and denominators

Tags

CCSS.5.NF.B.6

What is the product of 1/2 and 3/4?

• 3/8

• 1/4

• 3/4

• 1/8

Tags

CCSS.5.NF.B.6

To divide fractions, you should:

• Multiply by the reciprocal of the divisor

• Divide the numerators and denominators

• Add the fractions

• Subtract the fractions

Tags

CCSS.6.NS.A.1

What is the result of 1/2 divided by 3/4?

• 4/3

• 1/3

• 3/2

• 2/3

Tags

CCSS.6.NS.A.1

When simplifying fractions, you should:

• Find the greatest common factor

• Multiply the numerator and denominator by 2

• Add the numerator and denominator

• Subtract the numerator from the denominator

What is the simplified form of 12/18?

• 3/4

• 6/9

• 2/3

• 4/6