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Mixed Numbers and Improper Fractions. Lesson 4-3. Vocabulary. A proper fraction has a numerator that is less than its denominator. An improper fraction has a numerator that is more than or equal to its denominator. A mixed number shows the sum of a whole number and a proper fraction.
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Mixed Numbers and Improper Fractions Lesson 4-3
Vocabulary A proper fraction has a numerator that is less than its denominator. An improper fraction has a numerator that is more than or equal to its denominator. A mixed number shows the sum of a whole number and a proper fraction.
Examples Proper Fractions Improper Fractions 5 7 12 9 10 9 8 3 Mixed Numbers 8 3 3 17 5 20
Writing Mixed Numbers as Improper Fractions • Multiply the denominator of the fraction by the whole number. • Add the product to the numerator. • The resulting sum is the numerator of the improper fraction. • The denominator remains the same.
Example 4 2 14 3 3 Any whole number can be changed into an improper fraction:
Writing Improper Fractions as Mixed Numbers • Divide the denominator into the numerator. • The quotient becomes the whole number part of the mixed number. • The remainder is the numerator of the fraction. • The divisor is the denominator of the fraction.
Example 2 whole number 13 5 13 5 10 3 numerator denominator 3 2 5
Let’s Practice !!P211 # 1-7 complete on own, then check with neighbor