Pre-Algebra Demystified

SOLUTION

945 ¼

5  9 þ 4

5

¼

49

5

Math Note: Any whole number can be written as a fraction by

placing the whole number over one. For example, 4 ¼^41 ,18¼^181 , etc.

Likewise, any fraction with a denominator of one can be written as a

whole number:^51 ¼5,^71 ¼7, etc.

PRACTICE

Change each of the following mixed numbers to improper fractions:

1. 8^34


2. 5^16


3. 2^78


4. 6^59


5. 4^12

ANSWERS

1.

35

4

2.

31

6

3.

23

8

4.

59

9

5.

9

2

Quiz

1. What fraction is shown by the shaded portion of Fig. 3-3?

46 CHAPTER 3 Fractions: Part 1