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59What is a Fraction?
60Fractions on the Number Line
61Unit Fractions
62Proper, Improper, and Mixed Numbers
63Converting Between Improper and Mixed
64Equivalent Fractions
65Simplifying Fractions
66Comparing Fractions with Like Denominators
67Comparing Fractions with Unlike Denominators
68Ordering Multiple Fractions
69Adding Fractions with Like Denominators
70Subtracting Fractions with Like Denominators
71Finding the Least Common Denominator (LCD)
72Adding Fractions with Unlike Denominators
73Subtracting Fractions with Unlike Denominators
74Adding and Subtracting Mixed Numbers
75Multiplying Fractions
76Multiplying Mixed Numbers
77Reciprocals and Division Setup
78Dividing Fractions
79Dividing Mixed Numbers
80Complex Fractions
81Operations with Multiple Fractions
82Word Problems Involving Fraction Operations
83Understanding Decimal Place Value
84Reading and Writing Decimals
85Comparing and Ordering Decimals
86Rounding Decimals
87Adding Decimals
88Subtracting Decimals
89Multiplying Decimals
90Dividing Decimals by Whole Numbers
91Dividing by Decimals
92Converting Between Fractions and Decimals
93What is a Percentage?
94Converting Percentages to Fractions
95Converting Fractions to Percentages
96Converting Percentages to Decimals
97Converting Decimals to Percentages
98Finding a Percentage of a Number
99Finding What Percent One Number Is of Another
100Finding the Whole Given a Part and Percent
101Percent Increase and Decrease
102Solving Percent Word Problems
103Percentages Greater Than 100% and Less Than 1%
104Multi-Step Percentage Problems

59What is a Fraction?
60Fractions on the Number Line
61Unit Fractions
62Proper, Improper, and Mixed Numbers
63Converting Between Improper and Mixed
64Equivalent Fractions
65Simplifying Fractions
66Comparing Fractions with Like Denominators
67Comparing Fractions with Unlike Denominators
68Ordering Multiple Fractions
69Adding Fractions with Like Denominators
70Subtracting Fractions with Like Denominators
71Finding the Least Common Denominator (LCD)
72Adding Fractions with Unlike Denominators
73Subtracting Fractions with Unlike Denominators
74Adding and Subtracting Mixed Numbers
75Multiplying Fractions
76Multiplying Mixed Numbers
77Reciprocals and Division Setup
78Dividing Fractions
79Dividing Mixed Numbers
80Complex Fractions
81Operations with Multiple Fractions
82Word Problems Involving Fraction Operations
83Understanding Decimal Place Value
84Reading and Writing Decimals
85Comparing and Ordering Decimals
86Rounding Decimals
87Adding Decimals
88Subtracting Decimals
89Multiplying Decimals
90Dividing Decimals by Whole Numbers
91Dividing by Decimals
92Converting Between Fractions and Decimals
93What is a Percentage?
94Converting Percentages to Fractions
95Converting Fractions to Percentages
96Converting Percentages to Decimals
97Converting Decimals to Percentages
98Finding a Percentage of a Number
99Finding What Percent One Number Is of Another
100Finding the Whole Given a Part and Percent
101Percent Increase and Decrease
102Solving Percent Word Problems
103Percentages Greater Than 100% and Less Than 1%
104Multi-Step Percentage Problems

← Mathematics

Lesson 72 of 3,121·2. Fractions, Decimals, and PercentagesPro lesson

Adding Fractions with Unlike Denominators

Add fractions with different denominators by first converting them to equivalent fractions with a common denominator.

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