Algebra Demystified 2nd Ed

Chapter 3 DeCiMalS 71

EXAMPLES

Clear the decimal from the fraction.

71

2 285

.

There are 3 digits behind the decimal point.

71

2 285

711000

2 285 1000

7100

2285

1420

457

.

.

.

.

= ⋅

⋅

==

6

31 4.

There are 2 digits behind the decimal point.

6

314

6100

314100

600

314

300

.. 157

= ⋅

⋅

==

PRACTICE

Clear the decimal from the fraction.

1.^458
215

.

.

=

2.^36
18 11

.

.

=

3. 2 123
   56

.

.

=

4.^8
24.

=

5.^625
5
. =
6.^031
12

.

.

=

7. 0 423
   06

.

.

=

SOLUTIONS

1.^458
215

458100

215100

458

215

.

.

.

.

= ⋅

⋅

=

2.^36
18 11

36100

18 11 100

360

1811

.

.

.

.

= ⋅

⋅

=

✔SOLUTIONS

EXAMPLES

Clear the decimal from the fraction.

PRACTICE

Clear the decimal from the fraction.