By Allan Bluman
Say see you later to dry shows, grueling formulation, and summary theories that may placed Einstein to sleep -- now there's a better option to grasp the disciplines you really want to grasp. .
. McGraw-Hill's Demystified Series teaches advanced topics in a different, easy-to-absorb demeanour, and is ideal for clients with no formal education or limitless time. They're additionally the main time-efficient, curiously written "brush-ups" you will discover. .
. equipped as self-teaching publications, they arrive entire with key issues, historical past info, questions on the finish of every bankruptcy, or even ultimate tests. You'll have the ability to study extra in much less time, review your parts of energy and weak spot and make stronger your wisdom and confidence..
. A self-teaching advisor to simple mathematics, masking entire numbers, fractions, chances, ratio and percentage, uncomplicated algebra, easy geometry, simple data and chance.
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Additional resources for Pre-Algebra Demystified
Sample text
A) 219 (b) 914 (c) 214 (d) 523 13. Change (a) 314 (b) 134 (c) 413 Fractions: Part 1 CHAPTER 3 Fractions: Part 1 7 (d) 111 14. Change 5 38 to an improper fraction. 43 (a) 8 (b) 23 8 (c) 16 8 (d) 29 8 15. Change 278 to an improper fraction. 22 (a) 8 (b) 17 8 (c) 23 8 (d) 8 23 16. Change 534 to an improper fraction. 4 (a) 23 (b) 17 4 (c) 19 3 (d) 23 4 17. Write 8 as a fraction. 8 (a) 1 51 CHAPTER 3 52 (b) 1 8 (c) 8 8 (d) 16 8 Fractions: Part 1 18. Write 10 10 as a whole number. (a) 10 (b) 100 (c) 0 (d) 1 19.
Use this number for the numerator and use the same denominator as the denominator of the improper fraction. EXAMPLE Change 7 23 to an improper fraction. SOLUTION Multiply 7 by 3, then add 2 to get 23, which is the numerator of the improper fraction. Use 3 as the denominator of the improper fraction. 7 23 ¼ 3 Â 7 þ 2 23 ¼ 3 3 EXAMPLE Change 9 45 to an improper fraction. CHAPTER 3 46 Fractions: Part 1 SOLUTION 9 45 ¼ 5 Â 9 þ 4 49 ¼ 5 5 Math Note: Any whole number can be written as a fraction by placing the whole number over one.
3-2. A fraction whose numerator is less than its denominator is called a proper fraction. For example, 58, 23, and 16 are proper fractions. A fraction whose numerator is greater than or equal to its denominator is called an improper fraction. For example, 53, 66, and 10 4 are improper fractions. A number that consists of a whole number and a fraction is called a mixed number. For example, 6 59, 1 23, and 3 18 are mixed numbers. Reducing Fractions A fraction is said to be in lowest terms if both the numerator and denominator cannot be divided evenly by any number except one.