Fundamentals of Mathematics, 2008a

304
5.3.4 Exercises
CHAPTER 5. ADDITION AND SUBTRACTION OF FRACTIONS,
COMPARING FRACTIONS, AND COMPLEX FRACTIONS
Exercise 5.3.6 (Solution on p. 330.)
A most basic rule of arithmetic states that two fractions may be added or subtracted conveniently
only if they have .
For the following problems, nd the sums and dierences.
Exercise 5.3.7
1
2 + 1 6
Exercise 5.3.8 (Solution on p. 330.)
1
8 + 1 2
Exercise 5.3.9
3
4 + 1 3
Exercise 5.3.10 (Solution on p. 330.)
5
8 + 2 3
Exercise 5.3.11
1
12 + 1 3
Exercise 5.3.12 (Solution on p. 330.)
6
7 − 1 4
Exercise 5.3.13
9
10 − 2 5
Exercise 5.3.14 (Solution on p. 330.)
7
9 − 1 4
Exercise 5.3.15
8
15 − 3
10
Exercise 5.3.16 (Solution on p. 330.)
8
13 − 5
39
Exercise 5.3.17
11
12 − 2 5
Exercise 5.3.18 (Solution on p. 330.)
1
15 + 5
12
Exercise 5.3.19
13
88 − 1 4
Exercise 5.3.20 (Solution on p. 330.)
1
9 − 1 81
Exercise 5.3.21
19
40 + 5
12
Exercise 5.3.22 (Solution on p. 330.)
25
26 − 7
10
Exercise 5.3.23
9
28 − 4
45
Exercise 5.3.24 (Solution on p. 330.)
22
45 − 16
35
Exercise 5.3.25
56
63 + 22
33
Exercise 5.3.26 (Solution on p. 330.)
1
16 + 3 4 − 3 8
Available for free at Connexions