Adding and Simplifying Fractions

The video tutorial explains how to add mixed numbers through a series of steps. It begins with finding common denominators, then adding the fractions and whole numbers, and finally simplifying any improper fractions. The tutorial includes an example problem and concludes with practice problems for students to try on their own.

What is the first step in adding mixed numbers?

• Subtract the fractions

• Add the whole numbers

• Find common denominators

• Multiply the fractions

Why is it important to find a common denominator?

• To convert fractions to decimals

• To ensure the fractions can be added

• To simplify the fractions

• To make the fractions larger

What is the common denominator for 3/4 and 2/3?

• 6

• 9

• 12

• 15

What do you multiply the numerator and denominator of 3/4 by to get a denominator of 12?

• 5

• 2

• 3

• 4

After finding common denominators, what is the next step?

• Multiply the fractions

• Add the fractions and whole numbers

• Subtract the fractions

• Divide the fractions

What is the result of adding 9/12 and 8/12?

• 19/12

• 17/12

• 18/12

• 15/12

Why do we need to simplify the fraction 17/12?

• It is already in simplest form

• It is an improper fraction

• It is a mixed number

• It is a whole number

How do you convert 17/12 into a mixed number?

• Multiply 17 by 12

• Add 12 to 17

• Divide 17 by 12

• Subtract 12 from 17

What is the first step in simplifying an improper fraction?

• Treat it as a division problem

• Multiply the numerator by 2

• Subtract the denominator from the numerator

• Add the numerator and denominator

What is the first thing to do when simplifying a fraction?

• Add the numerator and denominator

• Multiply the fraction by 2

• Check if it is improper

• Convert it to a decimal