Adding Fractions With the Same Denominator: Changing Mixed Numbers to Improper Fractions
This clip explains that we have to change a mixed number to an improper fraction whenever we want to add, subtract, multiply or divide fractions. The clip then provides a shortcut for changing mixed numbers to improper f..
Adding Fractions With the Same Denominator: Proper Fractions, Improper Fractions and Mixed Numbers
This clip explains that improper fractions are those in which the numerator is larger than the denominator, while a proper fraction is one whose numerator is less than the denominator. The clip also explains that a mixed..
Adding Fractions With the Same Denominator: Summary: Adding Fractions With the Same Denominator
This clip summarizes adding fractions with the same denominator. It explains that the process can involve improper fractions as well as mixed numbers, and the conversion of mixed numbers to improper fractions and vice-ve..
Adding Fractions with Different Denominators: Finding Common Denominators and Multiples
This clip explains the role of multiples in finding common denominators. It also clarifies the difference between multiples and denominators, noting that "numbers have multiplesÂ…fractions have denominators".
Adding Fractions with Different Denominators: Finding the Least Common Multiple
This clip explains the use of prime factorization in finding the least common multiple.
Adding Fractions with Different Denominators: Least Common Multiple, The
This clip explains that using the least common multiple (which is another way of saying the smallest common multiple) as the common denominator is the simplest way to add fractions.
Adding Fractions with Different Denominators: Renaming Fractions
This clip introduces the concept of adding fractions with different denominators. It explains that this is done by re-naming the fractions so that they have the same denominator, which is accomplished by finding the comm..
Adding Fractions with Different Denominators: Shortcut for Common Denominators, A
This clip explains a very simple rule: To add two fractions with different denominators, simply multiply through the first fraction by the denominator of the second, and multiply through the second fraction by the denomi..
Adding Fractions with Different Denominators: Summary: Adding Fractions with Different Denominators
This clip reviews the topic of adding fractions with different denominators. It explores three ways this can be done, including writing the multiples of each denominator until a common multiple is found; multiplying the ..
Adding Like Terms
Demonstration of how to add like terms in an algebraic expression and application of this skill to a practical problem.