Pre-Algebra Demystified

2.

7

10

þ

2

3

þ

1

5

3.

1

4

þ

5

6

þ

1

3

4.

5

12

þ

3

8

þ

1

6

5.

9

16

þ

3

4

þ

1

2

ANSWERS

1.

8

11

2. 1^1730

3. 1 125

4.

23

24

5. 1^1316

Addition of Mixed Numbers

To add mixed numbers, first add the fractions and then add the whole numbers;

next simplify the answer, if necessary.

EXAMPLE

Add 5^23 þ 318 þ 256.

SOLUTION

523 ¼ (^51624)
318 ¼ 3243
þ 256 ¼ (^22024)
103924 ¼ 10 þ 1 þ^58 ¼ (^1158)
58 CHAPTER 4 Fractions: Part 2