Add Mixed Fractions: Using Improper Fractions

The video tutorial teaches how to add mixed fractions with unlike denominators by converting them into improper fractions, finding a common denominator using the least common multiple, and simplifying the result. It explains the concept of mixed fractions, improper fractions, and the least common multiple. The tutorial demonstrates the use of the identity property of multiplication to adjust denominators and provides a step-by-step guide to adding and simplifying fractions.

What is the least common multiple of 7 and 3?

• 14

• 21

• 28

• 35

How do you convert a mixed fraction into an improper fraction?

• Subtract the numerator from the whole number

• Divide the numerator by the denominator

• Multiply the whole number by the denominator and add the numerator

• Add the whole number to the fraction

What is the purpose of using the identity property of multiplication in fraction addition?

• To change the value of the fraction

• To simplify the fraction

• To adjust the denominators to be the same

• To convert the fraction into a decimal

When adding fractions with a common denominator, what is the next step after adding the numerators?

• Multiply the denominators

• Divide the result by the LCM

• Simplify the fraction by dividing the numerator by the denominator

• Convert the fraction back to a mixed number

In the division process, what does the 'cowboy on top of the horse' analogy help you remember?

• The denominator is divided by the numerator

• The numerator is divided by the denominator

• The numerator is multiplied by the denominator

• The denominator is subtracted from the numerator