Algebra Demystified 2nd Ed

Chapter 1 FraCtions 11

6.^48
56

86

87

8

8

6

7

6

7

= ⋅

⋅

=⋅=

7.^28
18

214

29

2

2

14

9

14

9

= ⋅

⋅

=⋅ =

8.^24
32

83

84

8

8

3

4

3

4

= ⋅

⋅

=⋅=

9.^36
60

12 3

12 5

12

12

3

5

3

5

= ⋅

⋅

=⋅=

10.^12
42

62

67

6

6

2

7

2

7

= ⋅

⋅

=⋅=

Sometimes the greatest common divisor is not obvious. In these cases we
might want to simplify the fraction in multiple steps.

EXAMPLES

Write the fraction in lowest terms.

3990

6762

6665

61127

665

1127

795

7161

95

161

= ⋅

⋅

==⋅

⋅

=

644

2842

2 322

21421

322

1421

746

7 203

46

203

= ⋅

⋅

==⋅

⋅

=

PRACTICE

Write the fraction in lowest terms.

1.^600
1280

=

2.^68
578

=

3.^168
216

=

4.^72
120

=

5.^768
288

=

EXAMPLES

Write the fraction in lowest terms.

PRACTICE

Write the fraction in lowest terms.